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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Apr 2010 Posts: 45 'Bolter | | 'Bolter Joined: Apr 2010 Posts: 45 | This has got to be an easy one. 1948 Chevy, restored and rewired before I bought it.
My headlights worked fine. Brights and low beams.
Then the low beams went. Both Land R. No problem, I rarely drive it at night, and the hi beams ain't that bright anyway. Now, no hi beams. The gauge lights work, and the dome light works. Fuses are good. I replaced one headlight, no good.
Where should I go next? | | | | | Joined: Jul 2005 Posts: 640 Shop Shark | | Shop Shark Joined: Jul 2005 Posts: 640 | | | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | You should get out your meter and wring your wiring. | | | | | Joined: Mar 2011 Posts: 940 'Bolter | | 'Bolter Joined: Mar 2011 Posts: 940 | Without a meter to test, I'd check the connections at the terminal boards and the wiring for frays/grounding where it passes thru the fenders and into the buckets. If that stuff is all good, replace the floor switch. The switch and sockets are cheap enough and available at most local auto parts stores.
| | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | Randomly replacing parts is no way to troubleshoot electric systems, or any other systems for that matter. You can get a multimeter for under $20 that is adequate for troubleshooting the wiring on these old trucks.
Do it right and you only need to do it once. | | | | | Joined: Mar 2011 Posts: 940 'Bolter | | 'Bolter Joined: Mar 2011 Posts: 940 | ^ Agreed. I always go thru everything with a multimeter first. Given what he's already done and how he said the lows went then the highs I think its safe to say the switch is probably the culprit and should be the next item taken into consideration. | | | | | Joined: Apr 2010 Posts: 45 'Bolter | | 'Bolter Joined: Apr 2010 Posts: 45 | Ding Ding Ding!!!! First post!!! New floor switch from FLAPS for $6.50 and all is well!!! Thanks all. | | | | | Joined: Jul 2005 Posts: 640 Shop Shark | | Shop Shark Joined: Jul 2005 Posts: 640 | | | | | | Joined: May 2012 Posts: 34 New Guy | | New Guy Joined: May 2012 Posts: 34 | i will have to try that one both my headlights have stopped working when they were fine a few weeks back. | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | The multi meter is a pretty basic must have tool. I keep one in the dash.
Where on the truck is there a "terminal board" ? | | | | | Joined: Jul 2012 Posts: 17 New Guy | | New Guy Joined: Jul 2012 Posts: 17 | On the inner fender under the hood about a foot from the front. | | |
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