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franken · 10-18-2018, 06:47 PM

Measure at the cab connector to ground on each terminal when the corresponding light should be lit. Then you know if it's in the cab or not.

10-18-2018, 06:47 PM	#11
franken Registered User Join Date: Jun 2013 Location: Somewhere Posts: 3,055	Re: Rear lights wiring harness issue Measure at the cab connector to ground on each terminal when the corresponding light should be lit. Then you know if it's in the cab or not.