Trying to figure out why my speedometer doesn’t work on my 88GTA…because the friggen yellow module isn’t there…
while in there, I found this. Trying to understand what the previous owner was accomplishing and what this is for.
while in there, I found this. Trying to understand what the previous owner was accomplishing and what this is for.
battmann
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Pretty sure the relay in the last picture is for the rear hatch defrost
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Originally Posted by battmann
Pretty sure the relay in the last picture is for the rear hatch defrost yup that was is. Trying to figure out the one beside it on the left
battmann
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Does your car have a power antenna?
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yesOriginally Posted by battmann
Does your car have a power antenna? battmann
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I think those two plugs to the left of the defrost relay are for the power antenna
DynoDave43
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Apr 24, 2026
- Join DateAug 2013
- LocationMICHIGAN
- Posts:4,809
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- Car1988 Trans Am
- EngineL03
- Transmission700R4
- Axle/Gears10 Bolt 2.73 Open
- Likes:2,871
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