Power Distribution Schematics. Isuzu Ascender

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 2003 🢒 Ascender - 2WD 🢒 Engine 🢒 Engine Controls - 4.2L 🢒 Power Distribution Schematics

Figure 1:	B+ Bus, Underhood Fuse Block Master Electrical Component List TRLR-E BRK,STOP, BLOWER, CIGAR, W/S WASH, A/C, FOG LAMP, PCM B Buses) Fuses
Figure 2:	B+ Bus, Rear Fuse Block Master Electrical Component List COILS, ECAS, CANISTER, WASH, IPC/DIC, FLASHER, TBC 1 Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 3:	ACCY/RUN/START, RUN, and START Bus Bars Master Electrical Component List ETC, INJ A, INJB Fuses (V8 Only) TRLR-E BRK,STOP, BLOWER, CIGAR, W/S WASH, A/C, FOG LAMP, PCM B Buses) Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 4:	ACCY/RUN and RUN/START Bus Bars Master Electrical Component List IGN E and PCM I Fuses COILS, ECAS, CANISTER, WASH, IPC/DIC, FLASHER, TBC 1 Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 5:	TRAILER, ABS, ATC, BLOWER, ELEK BRK, CIGAR, ST/LP, VEH CHMSL and VEH STOP Fuses Master Electrical Component List O2 and ENG 1 Fuses ETC, INJ A, INJB Fuses (V8 Only) I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 6:	COILS, CANISTER, ECAS, IPC/DIC, FLASH, TBC I, and PCM B Fuses Master Electrical Component List FLASHER, VEHICLE CHMSL, VEHICLE STOP TRLl L TURN, TRL R TURN, LEFT TURN, RIGHT TURN Fuses IGN E and PCM I Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 7:	LGM/DSM, OH BATT/ONSTAR, RADIO and HVAC B Fuses Master Electrical Component List B/U, SIR, TBC IGN 1, ETC CRANK Fuses O2 and ENG 1 Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 8:	ETC, INJ A and INJ B Fuses, 5.3L Master Electrical Component List IGN 0, TBC IG, TBC ACC, FRT WIPER ,RAIN SEN, HVAC, 4WD Fuses FLASHER, VEHICLE CHMSL, VEHICLE STOP TRLl L TURN, TRL R TURN, LEFT TURN, RIGHT TURN Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 9:	SUNROOF, AUX PWR 2, RR HVAC, AUX PWR 1, TBC 2, TBC 3 and TBC4 Fuses Master Electrical Component List HVAC I, BRAKE, TBC RUN Fuses B/U, SIR, TBC IGN 1, ETC CRANK Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 10:	TBC 5, DDM, PDM, AMP Fuses, LT DOORS and RT DOORS Circuit Breakers Master Electrical Component List LGM/DSM, OH BATT/ONSTAR/PHONE, RADIO, HVAC B Fuses IGN 0, TBC IG, TBC ACC, FRT WIPER ,RAIN SEN, HVAC, 4WD Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 11:	RR FOG, LR PARK, RR PARK, F PARK, TR PARK, and LGM 2 Fuses, SEATS and RR WIPER Circuit Breakers Master Electrical Component List TRL L TRN, TRL R TRN, LT TURN and RT TURN Fuses HVAC I, BRAKE, TBC RUN Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses
Figure 12:	TRL L TRN, TRL R TRN, LT TURN, and RT TURN Fuses Master Electrical Component List TBC 5, LT DOORS, DDM;, PDM, RT DOORS Fuses LGM/DSM, OH BATT/ONSTAR/PHONE, RADIO, HVAC B Fuses
Figure 13:	IGN 0, TBC IG, TBC ACC, FRT WPR and RAIN Fuses Master Electrical Component List AUX PWR 2, RRHVAC, AUX PWR 1, TBC 2, TBC 3, TBC 4 Fuses TRL L TRN, TRL R TRN, LT TURN and RT TURN Fuses
Figure 14:	IGN E, TBC IGN 1 and BACK UP, BTSI and TRLR B/U Fuses Master Electrical Component List PCM I Fuse (4.2L Engine) TBC 5, LT DOORS, DDM;, PDM, RT DOORS Fuses PCM I Fuse (4.2L Engine)
Figure 15:	PCM I Fuse 4.2L Master Electrical Component List PCM I, O2A, O2B and ENG I Fuses (5.3L Engine) AUX PWR 2, RRHVAC, AUX PWR 1, TBC 2, TBC 3, TBC 4 Fuses AUX PWR 2, RRHVAC, AUX PWR 1, TBC 2, TBC 3, TBC 4 Fuses
Figure 16:	PCM I, O2A, O2B and ENG I Fuses 5.3L Master Electrical Component List AMP, SUNROOF, VENT WDO, REAR WIPER, LGM 2, SEATS, LR/RR LOCKS Fuses Fuses PCM I Fuse (4.2L Engine) PCM I Fuse (4.2L Engine)
Figure 17:	O2, ETC, ENG I, SIR, HVAC and 4WD Fuses Master Electrical Component List HVAC I, BRAKE and TBC RUN Fuses PCM I, O2A, O2B and ENG I Fuses (5.3L Engine) SIR Caution for Zoning PCM I, O2A, O2B and ENG I Fuses (5.3L Engine)
Figure 18:	HVAC I, BRAKE and TBC RUN Fuses Master Electrical Component List AMP, SUNROOF, VENT WDO, REAR WIPER, LGM 2, SEATS, LR/RR LOCKS Fuses Fuses AMP, SUNROOF, VENT WDO, REAR WIPER, LGM 2, SEATS, LR/RR LOCKS Fuses Fuses