Reverse lights dim while headlights on issue

[Neallynein]

Has anyone had the issue of their reverse lights being on (just dim) whenever their headlights are on? Im assuming its a ground issue or something. I've had the truck since August (18k miles before i got it) and i added reverse lights that are T-tapped in by the bulb in September. The issue started about mid January. I tried undoing the added reverse lights i put in to make sure that wasnt the issue. It started acting up after a weekend in upstate NY where i was in 0 degree weather and parked in snow (from a storm). Maybe the salt on the roads got through a wire or something?

[Justin101714]

Check those t-tap connection last for green residue. It will work it’s way up the wire and cause a high resistance condition that will supply less than 12 volts to the lights and make them appear dimmer than usual. If it’s corroded, you’ll need to remove the old corroded wire and splice in a new section, soldered preferably with heat shrink


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