ECM1 Fuse Schematic 89 Suburban

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Jwasnewski

Junior Member
Joined
Jan 8, 2020
Posts
24
Reaction score
29
Location
Dawsonville, GA
First Name
Leroy
Truck Year
1989
Truck Model
GMC SUBURBAN SLE
Engine Size
5.7L
My 89 Suburban will occasionally blow the 10 amp ECM 1 fuse. It’s done it twice, both times after I got off the brake.
Anyone have a wiring diagram for the ECM 1 fuse circuit? I need to start tracing wires. I think they are pink and pink with black marker but don’t know what the fuse powers.
 

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