Thread: gauge wiring
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Old 03-11-2011, 11:46 PM   #3
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
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Re: gauge wiring

It sounds like Your connector is pinned incorrectly for your cluster.

Quote:
Originally Posted by bigd65 View Post
The green wire went to the temp sender
You have Dark Green from the Coolant-Temp sender. This is right.

Quote:
Originally Posted by bigd65 View Post
The blue wire to the oil sender
According to GM... BLUE (there are 4 blue wires) feed one the indicator lamps.
TAN should be from the OIL pressure sender.

Quote:
Originally Posted by bigd65 View Post
The tan wire to the fuel tank
According to GM... You have the oil pressure sender hooked to the FUEL gauge.
PINK is from the FUEL sender.

Wire Color Table compiled from the 73-87 wiring diagrams in our sister forum.

GM
CKT...DESCRIPTION.........WIRE COLOR
8......Cluster Lamps.........GRAY
11.....High Beam Lamp.....LIGHT BLUE
14.....Left Turn..............LIGHT BLUE
15.....Right Turn.............DARK BLUE
25.....Gen Telltale...........BROWN
30.....Fuel Gauge............PINK
31.....Oil Sender.............TAN
33.....Brake Lamp...........TAN/WHITE
35.....Temp Sender.........DK GRN
39.....Ignition Power.......PINK/BLACK
150...Grounds................BLACK
237...Seat Belt Warning...PINK/WHITE
931...Electric Choke........DARK BLUE
939...IGN Generator........ORANGE (idiot light clusters only)
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