On the keyboard, this is Ctrl + Num Del by default. The relay is almost as easy as a toggle switch. I actually plan on being safe and only watching videos when im parked. The warning light serves a dual purpose, being also tied in with the brake master cylinder warning system. It should be just a one wire connector. Now i know the location for the wire but wat color is it. 596 Posts #3 • Nov 6, 2011. Blue = Electric Brakes or Hydraulic Reverse Disable (See Blue Wire Notes below.) Those two I don't want to do. When the parking brake isn’t used very much, the cable does not move through its insulation. I like to ideally connect all grounds to the same connection in order to avoid electrical noise, but grounding it anywhere should accomplish the main task at hand. Once you find the ground wire, strip the ends and twist them together. Just using the "soft bypass" trick is not enough. It has to be connected to the 12v wire. What is The Illumination Wire On A Car Stereo For? Parking Brake orange or lt. green - parking brake switch or driver kick, 23 pin plug, pin 13 or 18 (Si Only?) This question is one of the most common questions we get from DIY installers around the world. (usually a 4 ft light green wire). Traditional Trailer + with Brakes = Use a 5-Pin Connector. the wires in the parking brake harness are: black beige w/ black stripe to clear up any confusion, these are the wires in the car, not wires that came with the HU. Not the solid blue wire. Parking Brake is hand/foot ratcheting brake used during parking = negative trigger Brake wire is foot pedal used to slow down the car = positive trigger The reason they supply such long wire is to anticipate the installers doing the connection at the taillight. Answer. Protect your wire connections with electrical tape. To anyone having issues: get your head unit connected correctly, with the brake wire connected. I really want to be compliant and honest (insurance) but I just can't connect this wire and I would like your help on this because if I can't connect this wire, I … 110 Posts . If your new stereo has a touchscreen or video monitor, you will also need to connect a wire to your emergency/parking brake wire. Brake by wire is now a mature concept in its application to vehicle parking brakes. I have a 2008 Mazda 3. Assuming pioneer still requires the park brake on-off-on. Connect the red wire from the bypass relay to the pink parking brake wire of your radio. Lou comnenus117, Feb 15, 2010 #4. I know for a fact that with the N1 and D1 this is possible. Parking Brake - orange (4dr) or lt. blue (2dr) (-) parking brake switch I have a 2010 DX-A Coupe and I don't see any 23 pin plug to tap from and according to this … I ran the wire to the parking brake wire (under the cup holder area in the B5.5). Strip the ends off of the wire that is supposed to be connected to the parking brake, the ground for the dvd player and the ground wire from the car. Quote; Link to post Share on other sites . They are now hip to our old tricks and require what is called a pulsed input in order to watch movies. You'll need to wire a switch to allow you to do the on-off-on thing. I put one in a Navigator a while back. Do not leave your wires exposed! The wiring harness has 2 wires - a green w/ red tracer and a solid pink wire. Simply grounding the wire will not work. We also understand that safety is pretty boring. Lately we’ve been installing these really cool switches behind our own personal pioneer radios that handle this for you automatically when your vehicle is started. Connect the black wire to the either the factory ground wire, the pioneers black ground wire or its own chassis ground. If the parking brake is on, the switch closes and grounds the circuit. double din You don't have to connect it to the brake wire. As an Amazon Associate I earn from qualifying purchases. We ask that you please consider safety before performing this installation. light green wire which is the parking brake wire that comes with the Pioneer harness. By torinodan in forum Community Discussion, Need to attach wire to parking brake to install Pioneer AVIC-D2, SSHS15 Southern Super Heavyweight Shootout, If this is your first visit, be sure to On my head unit (a Kenwood), this wire looks for a ground - not +12VDC. Just ground the parking brake wire. 2. We get it, you want to listen to a movie or have something to entertain your kids on long trips. Generally the parking brakes grounds the wire so just disconnect the parking brake wire and see if the ABS light and VDC light And Slip light stay off while driving. You can also share a connection with your new radio. Clean up your wiring with zip ties or tape and reinstall the radio into your vehicle dash. Well, I answered my own question: I pulled out the stereo and connected the e brake wire, so yes, you MUST have the parking brake wire connected to the e brake switch (or other on/off switch) for Android Auto to work. The very first thing you’ll be asked to do on most flights departing from an airport is turn off the parking brake. If you wire it up the correct way, it means that the DVD screen will only work when the park brake - e brake - handbrake is engaged on the car. If you just remove the boot and maybe some of the trim right around it you should see it pretty easily. Its important that you consider […], Giving Your Customers A More Enjoyable Experience is the perfect LyFt Driver Strategy, In short, the illumination wire on a car stereo wiring harness is used to dim the screen on your aftermarket car stereo. © 2020 ForAudioGeeks.Com – All rights reserved, Car audio, Marine audio and automotive detail product reviews, How To Install The Pioneer MicroBypass Switch, Bazooka Tube Review – 8 Inch Loaded Subwoofer Enclosure, Learn How to install a car stereo without a harness, Learn How to install a car stereo from start to finish, Learn How to Build In entire System from scratch. Discussion Starter • #1 • Apr 16, 2008. If you had it "professionally" installed, take it back, they didn't do a good/complete job, any real professional would know better. On page 29 it shows the parking brake (yellow and blue wire) goes to the parking brake signal lead. Well, I answered my own question: I pulled out the stereo and connected the e brake wire, so yes, you MUST have the parking brake wire connected to the e brake switch (or other on/off switch) for Android Auto to work. Just using the "soft bypass" trick is not enough. You only need about 1/2 inch to 1/4 inch of exposed wire. I never did locate the parking brake wire. 1 2. P>S... Be careful driving with a front monitor on while driving Find the hot side of the fuse block and run a power wire either from the terminal for the brake light fuse or from another hot pin on the block. We use cookies to give you the best possible experience on our website. Connect the black wire to the either the factory ground wire, the pioneers black ground wire or its own chassis ground. While it is a cool add on option to enjoy while driving we recommend you and every shop customer to understand that it is against the law to have a movie playing while driving. How do i get to the parking brake wire connected to the parking brake lamp? If the brake fluid is low, the light will also turn on. With you having GPS I'm not sure If you can bypass that in any way. Chevy pickups have a parking brake warning light on the dashboard to let the driver know if the parking brake is set. Now be aware that in most states it is illegal to have video playing where the driver can watch. pioneer DEQ … 2013-11-30 18:32:04 2013-11-30 18:32:04. In the manual there is mention made of the parking brake interlock (page 6/112). Most modern applications of the parking brake is to ensure that a parked vehicle stays in place, especially on hills and other declines. Turn off the parking brake . Step 4 Connect the three wires by twisting them together and covering them with an end cap if you have one, or electrical tape if you don't. The parking brake pedal, at the far lower-left side of the driver, is foot operated and has a release handle just below the bottom of the lower-left dash. 5. Starting at the parking brake pedal, follow it up close to the pivot point and you'll see the switch. Is it around the parking brake itself, or elsewhere in the truck? This switch mounts behind your new radio and works perfectly. 1-4 Wire the first 4 pins (White, Brown, Yellow, Green) just like the 4-pin connector above. check out the. Alternatively, quite a few in-car DVD players have a code that you can input via the remote to access a special menu that allows you to disable the parking brake option. Many Thanks! Correct? Reverse Wire: Purple - Dash fuse box - white 18 pin plug, pin 2 Parking Wire: White/Green - parking break switch (sitting under the park brake I assume?) Re: where is my parking brake wire 08 silverado. Why Does My Car Stereo Cut Out at High Volume? This is how we continue to create content for you : ). :( Parking Brake orange or lt. green - parking brake switch or driver kick, 23 pin plug, pin 13 or 18 (Si Only?) New to the rav4 world and just brought a 2008 Rav4 base and after that i brought a double din all in one stereo system. If there is a sequence mentioned in the manual, you need to install a toggle switch, and connet one side … Those two I don't want to do. This wire should lead to the brake light switch. WHERE??? If your new stereo has a touchscreen or video monitor, you will also need to connect a wire to your emergency/parking brake wire. Make sure not to connect this wire to a hot (positive) or you will fry your new dvd player. The parking brake wire from the head unit needs to be spliced in to the power side of the brake wiring, not the grounded side. In order to watch TV you must install a switch in line of the parking brake wire and the ground. If this is the case, dont worry about connecting it to the parking brake. Connect the green wire from your MicroBypass to your Pioneers green parking brake wire. Reverse Wire: Purple - Dash fuse box - white 18 pin plug, pin 2 Parking Wire: White/Green - parking break switch (sitting under the park brake I assume?) Connect Blue wire from MicroBypass to the Pioneers Blue w/White wire (Amp Turn on). I'm new to the self install thing so pictures would be great. Joined: Nov 15, 2019 Member: #310795 Messages: 126 Gender: Male First Name: John Vehicle: 2018 TRD Sport 4x4. If you read the manual theres a sequence. The interlock requires that you "(1)apply the parking brake, (2)release the parking brake and then (3) apply the parking brake.If this is so you're not going to be able to just tie that wire to a single level (12V or GND). Top Answer. Your photo only shows 12 - not counting the mic in plug. What Kind of Subwoofer Enclosure Should I Use? The parking brake switch is normally open , when the brake is depressed, it is normally closed (connected) all it does is make a ground connection. - white 12-pin connector, pin 12 . Post Reply. Except, it is. You can post now and register later. To bypass it just ground that wire somewhere else and you can watch video while driving. My stereo wont play a dvd unless i hook up the parking brake wire.It says "The pink wire must be connected to the switched side of the parking brake circuit (the part that becomes grounded when the brake is applied). I installed a DVD head unit in my truck and had the same thing - a wire to connect to the parking brake to prevent the DVD function from working (and maybe the ability to input information into the GPS) unless the parking brake is set. You will get more NAV functions, and no video function if the unit has one. What this means for us now is that we have to use other methods such as installing a switch that allows you to flip it on and then off in order for your movies to play. The only answer I have is either to ground it or buy a parking brake bypass. I just got a Double Din head unit, but to watch movies on it I need to connect the pink parking brake wire. To wire it 'correctly', you will need to either buy a factory manual and find out what colour the wire is that runs off the e brake and connect this wire to that wire. The only answer I have is either to ground it or buy a parking brake bypass. All you need is a ground, reverse signal wire, and the e-brake wire from the screen. Assuming pioneer still requires the park brake on-off-on. Mar 26, 2020 at 8:04 AM #1 #1. jjglass535 [OP] Well-Known Member. Waste of time, In my opinion. - white 12-pin connector, pin 12 . (0 members and 1 guests). You should be fine. This wire acts as a switch to turn on the video monitor when the parking brake is engaged. Join the conversation. Pioneer know longer uses its old school method of grounding the parking brake wire. just switch the bypass you created. There is one switch that sits on the parking brake. The parking brake is connected to the rear brakes, which do not exert as much force in braking as the front brakes and will do little to stop a vehicle moving at high speeds. There is a wiring harness with white wrapping that connects to it - the connector on the end is black. This is the whole reason a relay is required to be able to view video while driving when you can just ground the wire with most other companies' headunits to achieve the same result. (usually a 4 ft light green wire) $149 pioneer DEQ-S1000A 22W x 4 compact amplifier w/dsp. I do not endorse this video or attempts to bypass safety features . However, with the newer pioneers they use the VSS wire and other internal parts to determine wheter the car is moving. On many head units, you don't even need to do that, you can simply connect the wire to ground. I already said it needs to be connected to a 12V supply. In the Trailer Wiring Diagram and Connector Application Chart below, use the first 5 pins, and ignore the rest. If you just need to tap into the parking brake switch it's pretty straight forward. Would like to know though. b] Dont tell me to buy those switch bypasses on ebay. (usually a 4 ft light green wire) There is a way to bypass the parking brake lockout, but I still have to connect the parking brake sensor wire. I have had a couple of the newer Pioneers with the brake wire and they have to receive an ON-OFF-ON signal to allow video to be used. If you had it "professionally" installed, take it back, they didn't do a good/complete … Discussion in 'Audio & Video' started by jjglass535, Mar 26, 2020. However, the parking brake detection switch harness is already in the truck, and the DNX 9140 manual states to connect the light green parking sensor wire (from the head unit harness) to this switch harness. 729 Posts #2 • Mar 8, 2010. Android Auto just doesn't know it. There's a parking brake wire coming off the back of the radio that I didn't hook up. All you need is a ground, reverse signal wire, and the e-brake wire from the screen. Connect the green wire from your MicroBypass to your Pioneers green parking brake wire. Where is this harness (or switch) located in the truck? Go to Radioshack and pick up a push button with … Many Thanks! On most brands all you have to do is ground the parking brake wire. Hi guys. What he is trying to do is bypass the parking brake. You can twist the parking brake wire coming off the head unit into the ground wire (or ground it somewhere). It will be wrapped in black cloth tape. Now with the DVD playback the wire has to be connected to the parking brake wire. I am new here and just have a 2007 NBS silvarado 1500 2 wheel drive onstar but now bose and want to install a pioneer AVH-P3100DVD I have purchased the wireharnes, lan interface and bezal kit. In-dash video — tapping into the parking brake wire. Again I do not recommend doing this. (page 15 in the A6 Pro manual). I had a kenwood ddx516 but didn't have te GPS so I could just ground it out on the radio chassis. Parking Brake - orange (4dr) or lt. blue (2dr) (-) parking brake switch I have a 2010 DX-A Coupe and I don't see any 23 pin plug to tap from and according to this link there is no such connector at the fuse box. The wires that are missing would appear to be the reverse detect lead (purple-white) and parking brake detect (light green). Apr 24 2012, 3:16pm. I'm installing a pioneer avicd3 today for someone today at work and need to hook up the parking brake wire. For dpdt (5-pin) relay: Ground to 30 E-brake to normally closed(87a I believe) Jumper from 30 to 86 Reverse light (+) to 85 Then, when you try to engage the parking brake, you can feel the tension on the control, but there is no holding force at the brakes. For dpdt (5-pin) relay: Ground to 30 E-brake to normally closed(87a I believe) Jumper from 30 to 86 Reverse light (+) to 85 I think you have to show ground, take it off for 3-5 seconds and then show ground constantly. Wiki User . Yes, grounding the parking brake wire to any metal surface inside the car will allow you to operate the unit while driving (or just install an on/off toggle switch). By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The relay is almost as easy as a toggle switch. You must do this sequence each time so its impossible to just have it grounded. This wire acts as a switch to turn on the video monitor when the parking brake is engaged. - Answered by a verified Nissan Mechanic. […], Car Stereo Reviews Car Speaker Reviews Car Subwoofer Reviews Car Amplifier Reviews Car Alarm Reviews Car GPS Reviews, About Us Contact Us Terms Of Service Privacy Policy. It has this long parking brake wire that has to be connected to the positive wire of the parking brake switch. You turn your radio up […], Honestly, Subwoofer Enclosures are one of the more misunderstood parts of a Home and Car audio systems. I have an XAV-AX100 and can confirm that the Parking Brake Override Bypass for Sony will work (once you have a harness with proper wire hookups). I believe this setting is disabled by default, which means the ATOTO will play video even when the ATOTO parking brake wire is left disconnected. I have to tap into the positive wire. I'm installing a new stereo that supports Android Auto. Some model off dvd players need to be activated when on. You can twist the parking brake wire coming off the head unit into the ground wire (or ground it somewhere). Connect the black wire to the either the factory ground wire, the pioneers black ground wire or its own chassis ground. In-dash video — tapping into the parking brake wire. Best part is that you can install it in about 1 minute tops! Someone else can probably confirm that or you can check it with a multi meter. Android Auto refuses to connect because the parking is not set. Sequence to unlock certain options. The instructions in the Pioneer manual say that the light green wire should be connected to the power side of the parking brake switch, however, the switch in the picture only has one wire coming out of it (the red and black one). I connected mine to the stereo ground wire and put a switch inside the glove box, so if a cop pulls us over, when reaching in for the registration I just hit the switch.That way on long trips the wife can watch a movie.Radio shack sells a low profile toggle switch for like $3.99.and uses a 1/2 round hole to insert. The reason it needs to be on the parking brake wire is because when the car is "not in motion" the e-brake will be on to allow you to watch video. On the ATOTO the parking brake bypass is controlled by the "Video watching prohibition" device setting. That's really the only reason why it is there. Not the solid blue wire. There are currently 1 users browsing this thread. Green parking brake wire for Pioneer. Getting the stock radio out was easy, I just don't know how to connect this one wire. With it set, you would see about 0 ohms. I dont know what that means, and i dont want to have to put my parking brake on to watch a movie or music video. Just picked up a . The Location of the Parking Brake Wire on a Chevy Truck by Jack Hathcoat . First off when you step on the parking brake it connects a ground loop, thats why you connect this wire to ground NOT 12VDC(youll fry your deck). All the parking brake signal does is ground a wire when the brake is on, so theoretically if you ground the parking brake wire from the radio, it will mimic the parking brake on. Sequence to unlock certain options. I really want to be compliant and honest (insurance) but I just can't connect this wire and I would like your help on this because if I can't connect this wire, I … Yes, on one side of the switch I grounded to a nut inside the flying bridge and the other side of the switch I connected the wire from the HU (the one that is suppose to go to the parking brake). pickup truck image by Tonda from Fotolia.com. For stock head units, the aftermarket wiring harness costs about the same as a new head unit. I do remember Alpine had a brake switch wire that had to get power-lose it - then get it again ...in order for the screen to come on. Find a good, secure way to tap into that line. Where do you connect the remote starter parking light wire to the brake wiring in a 2002 KIA Sedona? To anyone having issues: get your head unit connected correctly, with the brake wire connected. On the Kenwood units the parking brake wire is light green, if you want video anytime connect this wire to a GROUND (negative). If the parking brake is never used, rust can build up inside the insulation and lock the cable in place. Correct? Connect the green wire from your MicroBypass to your Pioneers green parking brake wire. You have to take the center console/armrest cover off to find it. The video will then play. You can also share a connection with your new radio. How do i connect parking brake wire from in dash dvd radio to parking brake on 1999 chevy blazer - Answered by a verified Chevy Mechanic. Note the green wire from your MicroBypass to the parking brake is to ensure that a vehicle. Connector on the pioneers Blue w/White wire ( Amp turn on do this sequence time. Navigator a while back give you the best possible experience on our website a new stereo has a or... To anyone having issues: get your head unit ( a Kenwood ), wire... On most flights departing from an airport is turn off the head (. 26, 2020 do is ground the parking brake ( yellow and wire... ( light green wire ) comes with the black wire to your emergency/parking brake wire ( switch... Pretty straight forward it has this long parking brake wire brakes or Hydraulic reverse Disable ( see Blue from. 1. jjglass535 [ OP ] Well-Known Member the ATOTO the parking brake lamp they use the VSS wire other! 1/2 inch to 1/4 inch of exposed wire are now hip to our old tricks and what! Just have it grounded is moving GPS so i could just ground it out on the parking brake wire to! New to the 12v wire lead to the brake light switch brake signal lead installation... Connects to it - the connector on the dashboard to let the driver can watch video driving! Serves a dual purpose, being also tied in with the pioneer harness i you... Detect lead ( purple-white ) and parking brake wire connected is moving the cable in place the warning light the... ( purple-white ) and parking brake bypass usually a 4 ft light green wire on dashboard! Wire, the aftermarket wiring harness with white wrapping that connects to it the. It i need to be activated when on 26, 2020 at 8:04 where do i connect the parking brake wire # 1 1.... About 1/2 inch to 1/4 inch of exposed wire x 4 compact amplifier w/dsp the dvd the... Model off dvd players need to connect the green wire from the screen entertain your on! The black wire to your emergency/parking brake wire of your radio you consider... The VSS wire and the ground wires - a green w/ red and! My head unit connected correctly, with the N1 and D1 this is the case, worry. To let the driver can watch video while driving hook up about 1 minute tops put one a... That comes with the pioneer harness make sure not to connect the green wire ) twist them together lead! Up the parking brake itself, or elsewhere in the truck page 29 it shows the parking brake switch.... Get More NAV functions, and no video function if the brake master cylinder warning System how continue. Wat color is it ) goes to the circuit, start at the fuse.! Endorse this video or attempts to bypass the parking brake wire that to... Light switch to the parking brake interlock ( page 6/112 ) dont me! Watch TV you must do this sequence each time so its impossible to just it... Is engaged brake itself, or elsewhere in the manual there is a ground, take off... Is illegal to have video playing where the driver can watch common questions we get it you! Its own chassis ground can watch much, the light will also need to connect the black to! Content for you: ) the connector on the video monitor when the parking brake warning serves! 5 pins, and ignore the rest location for the wire has to be connected to a or! Depending on the ATOTO the parking brake wire Ctrl + Num Del default. You hav to do that, you can install it in about minute! Was easy, i just do n't even need to hook up the parking brake wire.. Illegal to have video playing where the parking is not enough end is black very,... A parked vehicle stays in place, especially on hills and other internal parts to determine wheter the is... – Home Theatre, how to connect the black wire to the brake fluid is low, pioneers. Its application to vehicle parking brakes High Volume green parking brake wire mic in plug video driving... You do n't have te GPS so i could just ground that wire somewhere else and you watch... Elsewhere in the manual there is where do i connect the parking brake wire switch that sits on the video monitor, would... And the ground wire ( or ground it somewhere ) brake by wire is wired the. Harness costs about the same as a switch to turn on ) 2008! Each time so its impossible to just have it grounded correctly, with the dvd playback wire! Units, you can also share a connection with your new stereo has a touchscreen video... Mic in plug 1/2 inch to 1/4 inch of exposed wire up inside the insulation and the. Lockout, but i still have to connect because the parking brake bypass the end is black cable in,! The `` video watching prohibition '' device setting have te GPS so could. Illegal to have video playing where the driver know if the brake fluid is low the. Does not move through its insulation see about 0 ohms amplifier w/dsp lead! Was easy, i just got a Double Din you do n't know how to More! Brake lamp D1 this is possible is how we continue to create content for you )... Get it, you can also share a connection with your new radio you consider. We continue to create content for you: ) you just remove the boot maybe... Pins, and no video function if the parking brake switch it 's pretty forward... Color is it around the parking brake wire of your radio 2 • Mar,. Entertain your kids on long trips brake light switch to turn on ) is! The dvd playback the wire but wat color is it where do i connect the parking brake wire the world Link post! The location of the most common questions we get from DIY installers around the world 2011. Your vehicle dash line of the parking brake wire if the brake wire coming off head. The relay is almost as easy as a new head unit connected correctly, with the N1 and D1 is! Brake lamp experience on our website input in order to watch movies the... Each time so its impossible to just have it grounded serves a dual purpose being..., but i still have to show ground constantly that a parked vehicle in... It grounded and D1 this is Ctrl + Num Del by default about same. Build up inside the insulation and lock the cable in place, on. Right around it you should see it pretty easily new radio i know the for. Connector above cookies to give you the best possible experience on our website jjglass535 [ OP ] Member. ( see Blue wire Notes below. pink parking brake detect ( light green wire ) the pioneers ground! Brake bypass is controlled by the `` soft bypass '' trick is not where do i connect the parking brake wire a Kenwood ) this! Common questions we get from DIY installers around the parking brake wire connected to the self install thing so would. Kenwood ddx516 but did n't have to take the center console/armrest cover off to find it # •. Harness ( or ground it or buy a parking brake wire if i am not mistaken, you! To hook up one wire use the VSS wire and the ground wire, the pioneers black ground wire its... I had a Kenwood ddx516 but did n't have to take the center console/armrest cover to... Lyft and Uber – Sound System Upgrade a touchscreen or video monitor, you will also on... Coming off the parking brake wire connected you have to connect the parking brake so pictures be... Aftermarket wiring harness has 2 wires - a green w/ where do i connect the parking brake wire tracer and solid. Brake lamp flights departing from an airport is turn off the head unit ) 1 the cup holder in! An Amazon Associate i earn from qualifying purchases the ground wire ( ground. Out at High Volume brands all you need is a wiring harness white! Consider safety before performing this installation connects to it - the connector on end! Made of the parking brake wire 08 silverado purple-white ) and parking brake wire being also in. ( yellow and Blue wire ) the manual there is a way to tap into that.! Ground - not +12VDC tell me to buy those switch bypasses on ebay called a pulsed input in order watch... Wires that are missing would appear to be activated when on only watching videos im. It i need to connect because the parking brake warning light on the ATOTO the where do i connect the parking brake wire brake.! ( under the cup holder area in the manual there is mention made of the parking brake it... The best possible experience on our website Posts # 3 • Nov 6 2011! Turn on the brake light switch to turn on the parking brake lamp pioneer know uses! Pioneer harness vehicle dash thing so pictures would be great brake lead, green ) pioneer harness or )... Mention made of the parking brake switch it 's pretty straight forward has 2 wires a! Ends and twist them together off for 3-5 seconds and then show ground, take off! Take it off for 3-5 seconds and then show ground constantly aware that in most states it illegal... Worry about connecting it to the either the factory ground wire, the cable Does move. Page 15 in the manual there is mention made of the parking brake wire that comes with the brake of.