Ground Problem - Stumped
Was getting ready for a weekend trip up the coast. When I went to test the electrical between my GMC truck and Forest River Roo trailer (7-pin), the front running lights on the trailer illuminated, b...
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I used to have issues with the ground on the tow vehicle side in my trailer days.
NOTE: those testers are good, but often they will NOT detect a bad ground, They draw a very low current (few thousands of an amp) and your tail lights may draw several amps (Several THOUSAND times as much power as those LED testers)
NOTE: those testers are good, but often they will NOT detect a bad ground, They draw a very low current (few thousands of an amp) and your tail lights may draw several amps (Several THOUSAND times as much power as those LED testers)
