HOW TO: SUPER Cheap Camper /Trailer Light TESTER

HOW TO: SUPER Cheap Camper /Trailer Light TESTER

I purchased a 7 blade truck end adapter off eBay for less than 10 bucks, wired it so that 12 volts was going to everything just by attaching a booster pack to the end of it. Makes for easy checking of your camper or trailer lights and allows you to save your car battery when testing / fixing lights or checking power brakes etc.

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