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yea..the thing is that my headunit only has one wire for the instrument panel. i tried wiring it up to the brown and grey wires on the factory harness and it still wont light up

yea..i checked all of the fuses..the problem is that the headunit i got only has one wire for the instrument panel..and i tryed both wires on the stock harness and and it wouldnt work

ok soo i installed a CD player in my 89 GTU, now the problem is that i cut the factory harness and just wired it up to the CD player..yea yea it was stupid, but now my gauge lights dont wana work..whats wrong