Wire Color Code Conventions
Typical wire color conventions used by major American manufacturers during the 1960s–1970s.
General Motors
| Circuit | Typical Color |
|---|---|
| Battery feed (constant hot) | Red, Orange |
| Ignition switched (run) | Pink, Yellow |
| Accessory (run + accessory) | Brown, Tan |
| Headlight high beam | Light Green |
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