GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2001 🢒 Isuzu T-Series (Truck Line C) 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Brake Warning System Schematics
Figure 1:

1 of 2
Object Number: 729337 Size: FS
Master Electrical Component List
Brake Warning System Description and Operation
2 of 2
Aux Brake, Apply Park Brake, RH Turn, Volt Meter, LH Turn and Service Park Brake Lamps
G407, Splice Pack 3, S120, S121, S122, S150, S242, S361
G105 Continued, Splice Pack 1, Splice Pack 4, S450
G107, S101, S103, S105
G105 Continued, S323, S337, S339, S357, S358
IP Fuse Block, Circuit Breakers 22, 23, 24, 25, 26
Hazard Flasher, Stop Lamps Switch-JE3
Figure 2:

2 of 2
Object Number: 729338 Size: FS
Master Electrical Component List
Brake Warning System Description and Operation
1 of 2
IP Fuse Block, Circuit Breaker 6 (1 of 2)
Circuit Breaker 6 (2 of 2)
Fuel, Temperature, Oil Pressure and Check Gauges
IP Fuse Block, Circuit Breaker 9 (1 of 2)
IP Fuse Block, Circuit Breaker 9 (1 of 2)
Illumination, Seat Belt, Primary Brake, ABS and Park Brake Lamps
G107, S103