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1998 GMC C-7500 7.2L Will not crank via ignition switch
Posted to GM Electrical on 7/11/2008 3 Replies

Orange-black wire at starter relay goes to ignition switch crank terminal electrically-changes colors per wiring diagram and what I can see. Per diagram there is ether start unit [super chassis only-- ? what that is]. I have removed the starter relay-problem s...

3 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1998 GMC C-7500

VIN 1GDM7H1C8W
Engine7.2 L / 6 cyl
DeliveryFI
AffectedWill Not Crank via Ignition Switch
ConditionsOrange-Black Wire to Starter Relay Grounded
Misc.3216 Cat Engine-Union Pacific Railroad Truck
Message Closed w/FIX

car Vehicle Data

1998 GMC C-7500

VIN 1GDM7H1C8W
Engine7.2 L / 6 cyl
DeliveryFI
AffectedWill Not Crank via Ignition Switch
ConditionsOrange-Black Wire to Starter Relay Grounded
Misc.3216 Cat Engine-Union Pacific Railroad Truck