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how to pull a code/ 94 cavalier

8490 Views 4 Replies 4 Participants Last post by  rb6667
Hello all, My 94 cavalier is setting a code that I can not get out of the system. 3.1 eng. All the auto parts stores have code readers, but they start at 1995/2006. The Haynes manual says you can jump a wire from the ground to the power, and the check engine light will tell you what code is being set. The manual does not say what leads are power or ground.

The plug under the dash has only 4 wires going to it: Orange, White, Black, Brown. I tried all combinations to find out which one was power, and ground. No luck. Any thoughts?

Thanks in advance,

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You probably can't as you likely have the OBD 1.5.
Click on the link for more info.
Looks like he may be OK.

OBD 1.5
This hybrid system was present on the H-body cars in 94-95, W-body cars (Buick Regal,Chevrolet Lumina('95 only),Chevrolet Monte Carlo('95 only),Pontiac Grand Prix, Oldsmobile Cutlass Supreme) in 94-95, L-body (Chevrolet Beretta / Chevrolet Corsica) in 94-95, Y-body (Chevrolet Corvette) in 94-95, on the F-body (Chevrolet Camaro and Pontiac Firebird) in 95 and on the J-Body (Chevrolet Cavalier and Pontiac Sunfire) and N-Body (Buick Skylark, Oldsmobile Achieva, Pontiac Grand Am) in 95.
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