GM Column Wiring

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Lakota

Rides a rusted horse
Joined
May 12, 2007
Messages
305
Location
Elmendorf (San Antonio), Tx
GM COLUMN PLUGS

TURN SIGNAL CONNECTOR Late 60's, 70's and 80's

Gauge Color Desc. Plug Marking

20 Black Key Alarm E
20 Pnk Dbl Blk strp Key Alarm F
20 Black Horn G
18 Lt.Blue LF Turn Signal H
18 Dark.Blue RF Turn Signal J
14 Brown Hazard Flasher K
14 Purple Turn Flasher L
16 Yellow LR Turn Signal M
16 Dark Green RR Turn Signal N
14 White Stop Lamp Switch P


IGNITION SWITCH If it has one.

Pur/Wht Ignition Start
Pnk Ignition Coil
Brn Accessory Fuse at Fuse Panel
Orn Ignition Switched Bus at Fuse Panel
Red Battery Hot Lead

The wiring on late '40's and early '50's Chevys and Pontiac will be different at the rear lights and the horn wire.

Horn Dark Green
LF Turn Signal Lt. Blue
RF Turn Signal/Stop Dark Blue
LR Turn Signal/Stop Pink
RR Turn Signal/Stop Violet
Column to Stop Switch White
Turn Flasher Yellow

Mid '60's Chevy's got wired weird

Most Buicks through the early 60's

Horn Lt Blue
LF Turn Signal Dk. Green
RF Turn Signal/Stop Lt. Green
LR Turn Signal/Stop Lt. Green w/Blk
RR Turn Signal/Stop Dk. Green w/Wht
Column to Stop Switch White
Flasher Pink
Flasher Gray When installing a late GM Column replace the three prong flasher with a two prong and use the Pink Wire. Wire to the Purple wire in the New Column.
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