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06' 387 Peterbilt: Multiple turn-signal fasher unit failures
Posted to HD/Fleet Forum on 2/13/2009 6 Replies

Guys:

This unit has eaten several flasher units, latest was a 35 amp one. Checked amperage flow on this 2 prong electronic unit and got the following results with a trailer hooked to it: Left turn- 11.9 amps, Right turn- 11.3 amps and 4-ways at 21.5 amps. No... Login to read more.

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