EUREKA Posted January 10, 2022 Share Posted January 10, 2022 I did the big 7 upgrade yesterday. Truck was running great all day today, no issues. Then I went to drive home from hunting at dusk and I had no headlights, gauge lights, b-pillar lights, or radio. I know that the b-pillar lights and radio had been working just fine all day. Heater blower motor worked and the truck ran fine, but I had to drive home in darkness. I suspect something that was on the edge finally gave out now that my voltages are higher. I know that the dash light dimmer function of my headlight switch has not work correctly for years. Any ideas what I should begin looking at in the morning? Link to comment Share on other sites More sharing options...
EUREKA Posted January 10, 2022 Author Share Posted January 10, 2022 Probably should have installed headlight harness upgrade along with the Big 7. I bet I melted the headlight switch. Link to comment Share on other sites More sharing options...
Pete M Posted January 10, 2022 Share Posted January 10, 2022 yeah, I would start with inspecting that switch and its plug. Link to comment Share on other sites More sharing options...
EUREKA Posted January 10, 2022 Author Share Posted January 10, 2022 If I replace the switch before upgrading the headlight harness, how much risk am I taking that I will burn out the new switch? I can buy the switch in town today and get back on the road, but he headlight harness I had to order online. Link to comment Share on other sites More sharing options...
EUREKA Posted January 10, 2022 Author Share Posted January 10, 2022 Replaced the headlight switch, did not fix the issue. No sign of damage on the wires going to the switch. Is the power supplied to the headlight switch fused? Link to comment Share on other sites More sharing options...
eaglescout526 Posted January 10, 2022 Share Posted January 10, 2022 Did you check all your fuses? Perhaps something got just enough voltage to blow a fuse before any other damage could occur. Link to comment Share on other sites More sharing options...
EUREKA Posted January 10, 2022 Author Share Posted January 10, 2022 Found the problem. I neglected to reinstall one of the ring terminals on the power distribution thingy. That means my radio could not have been working earlier in the day and I was just listening via my phone (sometimes I'm too lazy to connect to the deck via BT) Embarrassing. Thanks for the help! Link to comment Share on other sites More sharing options...
Pete M Posted January 11, 2022 Share Posted January 11, 2022 Happens to the best of us Link to comment Share on other sites More sharing options...
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