1970-1973 GM Twist Lock Socket. available in Left, Right, and Backup. Uses 3157 light bulb (two elements) and is compatible with incandescent and LED bulbs. LED bulbs require resistor or electronic flasher for turn/hazards. Wire colors: Yellow, Brown, Black See pattern below to verify fitment. Includes socket, incandescent bulb, crimp/shrink wrap style butt connectors and […]
1970-1973 GM Twist Lock Socket. available in Left, Right, and Backup.
Uses 3157 light bulb (two elements) and is compatible with incandescent and LED bulbs. LED bulbs require resistor or electronic flasher for turn/hazards.
Wire colors:
Yellow, Brown, Black
See pattern below to verify fitment.
Includes socket, incandescent bulb, crimp/shrink wrap style butt connectors and grounding terminals.
| Position | Left, Right, Backup |
|---|---|
| Bulb Type | Incandescent, LED |
