2002 Wiring diagram - Third Generation Forum

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2002 Wiring diagram
Saturday, September 10, 2005 8:21 AM
Need part of a wiring diagram. Just the dash circuit. Any help would be appreciated.

Al

Re: 2002 Wiring diagram
Saturday, September 10, 2005 8:42 PM
More Info would be good.
Re: 2002 Wiring diagram
Sunday, September 11, 2005 11:00 AM
Which part of the dash? Instrument cluster? Steering column? Radio? Airbags?

There's 20 pages of "dash" in my service manual.




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Re: 2002 Wiring diagram
Sunday, September 11, 2005 4:52 PM
Found some usable wiring diagrams. And found out the dash has serial communications with the ECM and body computer. Now I'm going to try to figure out what's missing. The dash is dead. Power is good at the fuse block. Chassis ground is there as the dash illumination works. On the wiring diagrams I have, the two serial lines are both the same color, PPL, same size 0.35 and labeled circuit 1807. And, at least one of them is pin 2 in the OBDII connector. Now I need to find out if the serial data is getting to the body control module. Trying to logic out how to do that without a lot of work.

Pack Rats ate some wires on this car before and yesterday I found they ate one of the wires on my pickup. So, I'm guessing they ate something and caused this problem. Looked everywhere and don't see anything, so I have to do it the hard way.

Thanks

Al

2002 Z28, rats ate the cam sensor wires. Had to pull the intake to fix it. Had less than 700 miles on it when it happened.
2002 Cavalier, rats ate the left headlamp, cooling fan and AC compressor wires and some of the cruise control wiring. And who knows what else.
Chevy made some tasty cars in 2002
Re: 2002 Wiring diagram
Monday, September 12, 2005 9:41 AM
Pulled the air box this morning, there is a large connector under it. Any idea how to get the connector loose from the car? There is a metal bracket holding it. I tried to pry the bracket off the plastic connector but it binds and I don't want to break anything.

Still can't find any "chewed" wires, but if I could get that connector loose, I could see the wires on the bottom side.

Al
Re: 2002 Wiring diagram
Monday, September 12, 2005 9:02 PM
theres an 8mm bolt in the middle of that connector.Its a pain in the azz unplugging it.I tried unplugging it awhile ago but i gave up and put the bolt back in.Id check the computer harness if i were you.They probably got up in the pass side wheel well and did some damage to that harness.


Peter
'06 Cobalt ss/sc W/G85 Package
Gm Stage II W/2.79" Pulley
K&N Drop In Filter
Custom Magnaflow Dual Exhaust

Re: 2002 Wiring diagram
Tuesday, September 13, 2005 7:42 AM
Not trying to unplug it. I just want it out of whatever is holding it to the body. It has to come out of that clip before you can get it "unplugged."

Thanks,

Al
Re: 2002 Wiring diagram
Sunday, September 18, 2005 9:40 PM
Quote:

2002 Z28, rats ate the cam sensor wires. Had to pull the intake to fix it. Had less than 700 miles on it when it happened.
2002 Cavalier, rats ate the left headlamp, cooling fan and AC compressor wires and some of the cruise control wiring. And who knows what else.
Chevy made some tasty cars in 2002


dude...... time to move to a better place.....




SPD RCR Z - '02 Z24 420whp
SLO GOAT - '04 GTO 305whp
W41 BOI - '78 Buick Opel Isuzu W41 Swap

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