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1996 GMC C7000 Topkick C7H042 7.0L Auxiliary Braking system VIN: 1GDL7H1M1T
Hey Gents, AUX warning light illuminated, no voltage to pump. If anyone could supply me with a wiring diagram it would be appreciated. I have nothing on ShopkeyPRO, DirectHit or Mitchell. Any thoughts would be appreciated as well. I have checked voltage to...
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