LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1992 >> Forward Control 7.4 N >> Repair and Diagnosis >> Electrical >> Component Locations >> Electrical Component Locator >> Circuit Protection Devices
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
Circuit Breakers
Power Window On fuse block.
Power Accessory On fuse block.
Fuse Block
4.3L (VIN Z)
"G" Series Under left side of dash, above kick panel. See Figure.
"P" Series Under left side of dash, above kick panel. See Figure.
5.0L (VIN H) & 5.7L (VIN K) Under left side of dash, above kick panel. See Figure.
5.7L (VIN K) "P" Series Under left side of dash, above kick panel. See Figure.
7.4L (VIN N)
"G" Series Under left side of dash, above kick panel. See Figure.
"P" Series Under left side of dash, above kick panel. See Figure.
Fusible Links
A/C-Heater (Rust) At battery junction block rear unit).
Alternator (Rust) At battery junction block.
Auxiliary Cooling Fan Relay (Rust) At battery junction block.
Glow Plug Controller (Rust) At battery junction block.
Ignition Switch (Rust) At battery junction block (2 links).
Power Accessories (Rust) At battery junction block.
In-Line Fuse (MT1 Trans.) Behind left side of dash.