Can anyone get me (or tell me where to find) a wiring diagram for a 96 Chevy Blazer's power seat system? My mother inherited the truck from her father, and the power seat switches and the inflatable lumbar don't function at all. It's a 4 door RWD LT model if it matters. The Haynes manual doesn't help at all.

According to the owner's manual the power seat is on the same circuit as the remote door release, which works, and goes through a 20A circuit breaker (that nobody in town carries, including two GM dealers that don't have it and can't get it). I can't get the seat out of the car because I can't access the rear bolts.

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1984 Fiero SE

I was able to pull two 2-pin connectors out from under the seat, both had black and orange wires. Both had about 12V when checked with a voltmeter, and 0.12V when the circuit breaker was removed.

The electrical switch on the passenger seat doesn't do anything, either. Unless ALL these seat motors are dead (looks like two or three under the driver's side) it seems like some kind of power problem?

Not the best pictures but 12V and ground are what you should read on the 2-pin connector. I would look at the switches and the motor connectors. If these pics are too small - had to resize due to width - let me know an email through PM and I'll send out better ones.
Al

Nice, I can read those just fine, thanks!

Do you know where G102 and G104 are?

It says G102 is left cylinder head rear and G104 is rear of the right cylinder head rear assuming you have a 4.3L.
G102 is left hand side of engine below exhaust manifold and G104 is the same location as above for a 2.2L

C215 is behind left hand side of instrument panel left of the brake pedal.
C230 is near the same place.
C100 is left hand rear of engine above brake booster.

[This message has been edited by AlanD (edited 07-29-2008).]