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Mod | | | Forums66 Topics128,077 Posts1,055,928 Members48,430 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Aug 2003 Posts: 17 New Guy | | New Guy Joined: Aug 2003 Posts: 17 | Working on a 58 GMC 1 ton Napco and installed a new turn signal switch. All lights working correctly but in the rear brake lights are activated by turn signal switch and not the brake pedal(new switch installed 2018). When I unplug the white wire out of the switch the brake lights do not come on with the switch or the pedal and the turn signal lights work fine. Any ideas? Thanks Pat
58 1 ton Napco
59 1/2 ton Napco
58 1/2 ton Napco
55 1 ton 9’ bed
58 3/4 ton stepside
55 LCF boom truck
(3) 57 2 tons
| | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | Test for power at the white wire when you press the brake pedal. If it is not hot you have a bad stop light switch or blown fuse.
George
Last edited by Wrenchbender Ret.; 09/06/2020 4:48 PM.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
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