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Tonneau cover electrical Information

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Old Apr 22, 2026 | 09:25 AM
  #1  
triclark03's Avatar
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From: Addison, Vermont
Car: 88 Formula GTA Convertible
Engine: 305 TPI
Transmission: 700R4
Tonneau cover electrical Information

I own an 88 GTA convertible. It has solenoids for the latches for the tonneau cover but they are not connected to anything. The wires go to the trunk latch area.
Does anyone have a schematic for this circuit? Or how the circuit worked. I believe the trunk release button worked the tonneau cover?
Thanks
Kyle Clark
Vermont
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Old Apr 24, 2026 | 09:13 PM
  #2  
Paintchips97's Avatar
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Joined: Oct 2018
Posts: 47
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From: IL
Car: '84 TA, '88-89 GTA convertibles
Engine: 406ci SBC, LB9, L98
Transmission: T56, 700r4s
Axle/Gears: 3.73 10 bolt, 3.27 9 bolts
Re: Tonneau cover electrical Information

I don't have a schematic, but I do know that the wires going to the trunk are for a safety interlock switch attached to the trunk pull-down that won't allow the tonneau to release if the trunk is open. There should be wire(s) coming from the front as well, as the tonneau release is powered by the trunk release button on the dash. Start the car and pull the parking brake before pushing the button.

Any pictures of the car? I have an '88 and '89, very rare birds! The '88 is a digital dash automatic car, Bright Red with gray leather. '89 is a Flame Red over tan 5.7L car.

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