| 1 | — | Powertrain Control Module (PCM) |
| 2 | — | Starter solenoid |
| 3 | — | Wiper |
| 4 | — | Trailer tow battery charge |
| 5 | — | Fuel pump (P0087, P0230, P0231, P0232) |
| 6 | — | Trailer tow park lamp |
| 7 | — | Upfitter #4 |
| 8 | — | Upfitter #3 |
| 9 | — | Modified vehicle and stripped chassis run/start |
| 10 | — | IDM relay (Diesel engine only) |
| 12 | — | Modified vehicle and stripped chassis run/start |
| 13 | — | Starter solenoid relay |
| 14 | — | Run start relay |
| 15 | — | Modified vehicle and stripped chassis battery |
| 16 | — | Auxiliary A/C blower |
| 17 | — | Auxiliary battery feed, Trailer tow battery charge, trailer tow park feed |
| 18 | — | Electric trailer brake, Trailer brake controller |
| 19 | — | Upfitter #1 |
| 20 | — | Upfitter #2 |
| 21 | — | IDM relay (diesel engine only) |
| 23 | — | A/C clutch |
| 24 | — | Horn relay (Stripped chassis) |
| 25 | — | Run/start |
| 28 | — | Back up lamp |
| 29 | — | A/C clutch |
| 30 | — | BOO switch |
| 31 | — | Cluster battery (stripped chassis only), IDM coil (diesel engine only) |
| 32 | — | Blower motor |
| 33 | — | ABS pump |
| 34 | — | Stripped chassis horn |
| 35 | — | PCM relay (P0685, P0686, P0687, P0688) |
| 36 | — | Ignition switch (Stripped chassis only) |
| 37 | — | Trailer tow stop/LH turn signal |
| 38 | — | Trailer tow stop/RH turn signal |
| 39 | — | Back up lamp |
| 40 | — | Blower motor |
| 41 | — | Charging (diesel engine only) |
| 42 | 15 A | Diagnostic connector (stripped chassis) |
| 43 | — | Fuel pump (P0087, P0230, P0231, P0232) |
| 44 | — | Upfitter #3 |
| 45 | — | Upfitter #4 |
| 46 | — | PCM keep alive power, Canister vent, PCM relay coil (P0685, P0686, P0687, P0688) |
| 47 | — | ABS coil |
| 48 | — | Trailer tow stop lamp/turn signal |
| 49 | — | Wiper motor |
| 51 | — | Cutaway |
| 52 | — | Stripped chassis and modified vehicle run/start relay coil |
| 53 | — | ABS run/start feed |
| 54 | — | Fuel pump relay coil (gas engine only) (P0087, P0230, P0231, P0232) |
| 55 | — | ECM (diesel engine only) |
| 56 | — | DFCM (diesel engine only) |
| 57 | — | Trailer tow park lamp |
| 58 | — | Trailer tow backup |
| 60 | — | One Touch Integrated Start (OTIS) (diode) |
| 61 | — | Auxiliary battery (diode) |
| 62 | — | Upfitter #2 |
| 63 | — | Trailer tow battery charge |
| 65 | — | Power point 2 (glove box) |
| 66 | — | Power point 3 (left-hand B-pillar) |
| 67 | — | Power point 1 (instrument panel) |
| 68 | — | Modified vehicle |
| 70 | — | Stripped chassis |
| 72 | — | Cigar lighter |
| 74 | — | Power seat |
| 75 | — | VPWR 1, PCM power |
| 76 | — | VPWR 2, PCM mil |
| 77 | — | VPWR 3, PCM non mil |
| 78 | — | VPWR 4 (gas engine only), Ignition coil (diesel engine only), Fuel pump relay coil (P0087, P0230, P0231, P0232) |
| 79 | — | VPWR 5, Transmission |
| 80 | — | Cluster run/start (stripped chassis only) |
| 81 | — | IDM logic (diesel engine only) |
| 83 | — | Fuel pump (diode) (P0087, P0230, P0231, P0232) |
| 85 | — | Upfitter #1 |