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Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
Battery Junction Block (1989 ONLY) On left side of firewall.
Circuit Breakers
Headlight/Parking Light In headlight switch.
Power Door Lock On fuse block.
Power Window On fuse block.
Rear A/C On firewall.
Convenience Center Under left side of dash.
Fuse Block
4.3L Under left side of dash. See Figure.
5.0L & 5.7L - 1989 Under left side of dash. See Figure.
5.0L & 5.7L - 1990 Under left side of dash. See Figure.
7.4L - 1989 Under left side of dash. See Figure.
7.4L - 1990 Under left side of dash. See Figure.
Fusible Links
A/C-Heater (Red) 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) (Diesel) At starter solenoid.
Ignition Switch (Rust) At battery junction block (2 links).
Power Accessories (Rust) At battery junction block.