Does anyone out there have a wiring diagram for the carbed 2.8 v6 1984 firebird? I have one with a carbed 350 swapped into it, so the ECM has been discarded but I would like my instrument panel to work (mainly the tachometer and coolant gauges). I bought a v8 cluster off eBay that was from an 83 so the pinouts should be the same and after testing it does work, just need to know what wires to tie into from the bundle of wires coming out of the firewall on the driver's side. Every guide I find has the tachometer wire as a white wire, but there isn't one in the wire loom, so if anyone has a complete breakdown of which wires do what I would greatly appreciate it.

Thanks!

 

You're gonna have to run a white wire from your C100 bulkhead connector to the instrument panel connector for the tach (pin 14 on the C1 connector in the dash). C2 is on top, C1 is on bottom.
The wire on the other side (engine compartment) for the tach will probably be black, and plugs into the tach connection on the distributor cap.

Oil pressure gauge wire is tan, and goes to pin 11 on C1.
Temp gauge wire is dark green, and goes to pin 1 on C2.
High Beam indicator wire is green, and goes to pin 1 on C1.
Fuel gauge wire is pink, and goes to pin 2 on C2.
Ground wires are black, and go to pin 10 on C1, and pin 4 on C2.
Seat Belt light wire is yellow/black, and goes to pin 12 on C1.
Choke light wire is blue, and goes to pin 5 on C1.
Left turn signal indicator wire is light blue, and goes to pin 9 on C2.
Right turn signal indicator is dark blue, and goes to pin 10 on C2.
Ignition is pink/black, and goes to pin 13 on C2.
Check Engine light wire is yellow, and goes to pin 14 on C2.


I'm guessing your car originally just had idiot lights...