UNDERHOOD Fuse Block
Underhood fuse block is located on driver's side in the engine compartment. See Fig 1.
UNDERHOOD FUSE BLOCK LEGEND
| 1 | ECM Fuse | 10A | ECM |
| 2-3 | - | - | Not Used |
| 4 | RH HDLP Fuse | 15A | Headlamp - Right |
| 5 | A/C Fuse | 10A | A/C Relay |
| 6-7 | - | - | Not Used |
| 8 | ABS Fuse | 10A | EBCM (JM4) |
| 9 | ECM/ETC Fuse | 15A | ECM and ETC |
| 10 | EMISS Fuse | 15A | MAF/IAT, After Cooler Pump Relay, EVAP Canister Purge Solenoid, EVAP Canister Vent Solenoid, Coolant Level Switch, HO2S 1, and HO2S 2 |
| 11 | IGN Fuse | 10A | ICM |
| 12 | - | - | Not Used |
| 13 | ECM Fuse | 10A | ECM |
| 14 | Boost Fuse | 10A | Boost Solenoid |
| 15 | BACK UP Fuse | 10A | PNP Switch (M43 or M75) or Backup Lamp Switch (M86) |
| 16 | INJECTORS Fuse | 10A | Fuel Injectors 1-4 |
| 17 | - | - | Not Used |
| 18 | LH HDLP Fuse | 15A | Headlamp - Left |
| 19 | WIPER Fuse | 25A | WIPER Relay |
| 20 | HORN Fuse | 10A | HORN Relay |
| 21 | Radio | 20A | Audio Amplifier (UZ6) |
| 22 | ABS Fuse | 20A | EBCM (JM4) |
| 23 | RR DEFOG Fuse | 30A | REAR DEFOG Relay |
| 24 | A/C Clutch Relay | - | A/C Compressor Clutch |
| 25 | HORN Relay | - | Horn |
| 26 | - | - | Not Used |
| 27 | After Cooler Pump Relay | - | After Cooler Pump |
| 28 | RUN/CRANK (IGN1) Relay | - | Fuse Block - Underhood ABS, ECM, Boost, BACK UP, A/C Clutch Relay, Body Control Module AIR BAG, EPS/CRUISE, Clutch/Brake Fuses |
| 29 | Powertrain Relay | - | Fuse Block - Underhood ECM/ETC, IGN, Injectors and EMISS |
| 30 | COOLING FAN1 Relay | - | Cooling Fan |
| 31 | ECM CONT Relay | - | Starter |
| 32 | WIPER1 Relay | - | Wiper 2 Relay |
| 33 | WIPER2 Relay | - | Windshield Wiper Motor Assembly |
| 34 | REAR DEFOG Relay | - | Rear Window Defogger Grid |
| 35 | AC DIODE | - | A/C Compressor Clutch Circuit |
| 36 | - | - | Not Used |
| 37 | WIPER DIODE | - | Windshield Wiper Switch High Signal Circuit |
| 38 | RUN/CRANK Fuse | 30A | RUN/CRANK Relay |
| 39 | IP BATT1 Fuse | 30A | Body Control Module PARK, LIGHTER, DASH, BCM PWR, ONSTAR, RADIO Fuses and ACC Relay |
| 40 | ABS Fuse | 40A | EBCM (JM4) |
| 41 | IP BATT2 Fuse | 40A | Body Control Module FUELPUMP, STOP, CLUSTER, IGN SW, AND BCM ELECT Fuses |
| 42 | - | - | Not Used |
| 43 | EPS Fuse | 60A | EPS |
| 44 | COOLING FAN 2 Fuse | 30A | COOLING FAN 2 Relay |
| 45 | COOLING FAN 1 Fuse | 30A | COOLING FAN 1 Relay |
| 46 | CRANK Fuse | 30A | ECM CONT Relay |
| 47 | IP B ATT 1A Fuse | 30A | Body Control Module PARK, LIGHTER, DASH, BCM PWR, ONSTAR, RADIO Fuses and ACC Relay |
| 48 | RUN (IGN3) Fuse | 30A | Body Control Module RUN RELAY |
| 49 | - | - | Fuse Puller |