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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jul 2000 Posts: 2,201 Insomniac | | Insomniac Joined: Jul 2000 Posts: 2,201 | Sounds like you will have to do it by trial and error. Hook the #10 wire to the yellow wire temporarily and turn on the lights. Switch the #10 wire to the black wire. It should be obvious which is the running light wire (yellow or black) so you can permanently wire the system.
Gord 🇨🇦
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1954 1/2 ton 235 4 speed
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