Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

Auto to manual swap trunk release button with parking brake

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Old Jan 1, 2015 | 11:39 PM
  #1  
SsBenj's Avatar
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From: Los Angeles, Ca
Car: 1989 Iroc-Z
Engine: LS1
Transmission: Tick Stage 2 T56
Axle/Gears: 2.77
Auto to manual swap trunk release button with parking brake

Im looking on how I can wire the trunk release button to work when the parking break is engaged only. I had an automatic and swapped the t56. don't want the trunk opening while driving. Can anyone lead me in the right direction or thread? I've been looking but bo luck.

Thanks,

Ben
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Old Jan 2, 2015 | 01:56 AM
  #2  
Barlow8869's Avatar
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From: Mattoon Il.
Car: 1989 IROC-Z / T-Top -1987 GTA
Engine: 305 (LO3) _350 (L98)
Transmission: 700R4 _ 700R4
Axle/Gears: 2.73 L.S. - ???
Re: Auto to manual swap trunk release button with parking brake

one easy way to do it would be to cut one of the wires that go to the switch (power wire if it were me) and add a clutch type switch (one you have to push in for it to be off) in where you cut the wire ... set the clutch type switch just under the lever (still hidden in the console) so that when you lift the lever it lets the button off, and adds power to the hatch switch ... if there is no room under the lever, you could always use a motorcycle foot brake light with the spring to pull it on when you lift the lever ... either should be an easy way to do it that wont cost much
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Old Jan 2, 2015 | 02:08 AM
  #3  
Barlow8869's Avatar
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Joined: Dec 2012
Posts: 512
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From: Mattoon Il.
Car: 1989 IROC-Z / T-Top -1987 GTA
Engine: 305 (LO3) _350 (L98)
Transmission: 700R4 _ 700R4
Axle/Gears: 2.73 L.S. - ???
Re: Auto to manual swap trunk release button with parking brake

http://www.ebay.com/itm/Universal-Motorcycle-Scooter-Rear-Brake-Stop-Light-Switch-Gear-For-Honda-Yamaha-/141423732662?pt=Motorcycles_Parts_Accessories&hash=item20ed82e7b6&vxp=mtr ... something like that with a spring to pull (so as you lift higher and higher on the lever, the spring will not let it bind or btake) or this http://www.ebay.com/itm/Clutch-Pedal-Position-Switch-ACDelco-GM-Original-Equipment-D2270C-/381032579702?pt=Motors_Car_Truck_Parts_Accessories&hash=item58b74fc276&vxp=mtr
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Old Jan 2, 2015 | 02:34 AM
  #4  
John in RI's Avatar
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From: RI
Car: 1984 Camaro Berlinetta
Engine: LT1
Transmission: T56 6-speed
Axle/Gears: 4.11 LS1 Rear End
Re: Auto to manual swap trunk release button with parking brake

Here's the factory Shop manual schematic:





Remove the shifter bezel and cut the YELLOW wire leading to the hatch solenoid relay. Cap end of yellow wire leading from the dash harness.

Cut the Tan/White wire leading away from the E-Brake switch.

Splice the TAN/White wire from the brake switch to the Yellow wire ( leading from the relay ).



What you just did was modify the set-up to work the same way as the factory manual cars were designed. The E-Brake lever will need to be pulled up in order for the hatch button to work.

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Old Jan 3, 2015 | 04:37 AM
  #5  
SsBenj's Avatar
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Joined: Jun 2014
Posts: 37
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From: Los Angeles, Ca
Car: 1989 Iroc-Z
Engine: LS1
Transmission: Tick Stage 2 T56
Axle/Gears: 2.77
Re: Auto to manual swap trunk release button with parking brake

Originally Posted by John in RI
Here's the factory Shop manual schematic:





Remove the shifter bezel and cut the YELLOW wire leading to the hatch solenoid relay. Cap end of yellow wire leading from the dash harness.

Cut the Tan/White wire leading away from the E-Brake switch.

Splice the TAN/White wire from the brake switch to the Yellow wire ( leading from the relay ).



What you just did was modify the set-up to work the same way as the factory manual cars were designed. The E-Brake lever will need to be pulled up in order for the hatch button to work.

Thanks a lot man this was exactly was I was looking for.
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