For 1990-2009 cars

Figure 1: |

#### Back Right of Engine Compartment

(1) | Engine Harness
(2) | Fuse Block-Underhood
(3) | Remote Battery Stud
(4) | Positive Battery Cable

Figure 2: |

#### Center of the I/P

(1) | Marker Lamp Switch (RQ2 and U86 or RQ3)
(2) | Air Brake Pressure Gage (JE4)
(3) | High Idle Switch (UF3)
(4) | Automatic Transmission Fluid Temperature (TFT) Gage (Allison® LCT/UTX)
(5) | Traction Control Switch (NW9)
(6) | Outside Heated Mirror Switch (DB6/DB8)
(7) | Exhaust Brake Switch (K40)
(8) | Rear Axle Driver Control Switch (HPZ/Automatic Transmission)
(9) | Inflatable Restraint I/P Module Disable Switch (AK5 w/o AQR)
(10) | Air Suspension Dump Switch (G40/G45/GSJ)
(11) | Power Take-Off (PTO) Switch
(12) | Driver Information Center (DIC)

Figure 3: |

#### Center of the I/P

(1) | Driver Information Center (DIC) Connector
(2) | Radio Connector
(3) | Auxiliary Power Post (-)
(4) | Auxiliary Power Post (+)
(5) | HVAC Control Assembly Connector C2
(6) | HVAC Control Assembly Connector C1

Figure 4: |

#### Console

(1) | Cigar Lighter (DT4)
(2) | C315 (2 cavities)
(3) | Park Brake Switch Connector (JE3 and C6/C7/C8)

Figure 5: |

#### Front of Engine

(1) | Generator
(2) | Generator Assembly
(3) | Engine Harness
(4) | Generator Ring Terminal

Figure 6: |

#### Ground Zones

(1) | G202/G200
(2) | G102
(3) | G103
(4) | G205
(5) | G203
(6) | G106
(7) | G400 (C4/C5)
(8) | G400 (C6/C7/C8)
(9) | G400 (LG4/LG5)
(10) | G204
(11) | G112
(12) | G105
(13) | G101
(14) | G100 (LG5)
(15) | G100 (RH Side of Engine Block - LB7/LLY)

Figure 7: |

#### Lower Back of Engine

(1) | Starter
(2) | Knock Sensor (KS)
(3) | Engine Oil Level Switch
(4) | Engine Oil Level Switch Connector
(5) | Engine Harness
(6) | Knock Sensor (KS) Connector

Figure 8: |

#### Lower Right I/P

(1) | I/P Harness
(2) | Fuse Block - I/P - 2

Figure 9: |

#### Lower Right Side of the Engine

(1) | G118
(2) | Engine Block
(3) | G120
(4) | G119

Figure 10: |

#### Rear of Engine Block

(1) | Engine Oil Pressure (EOP) Switch
(2) | Engine Harness
(3) | Engine Oil Pressure (EOP) Switch Connector
(4) | Crankshaft Position (CKP) Sensor Connector
(5) | G115
(6) | Heated Oxygen Sensor (HO2S)-LH
(7) | Crankshaft Position (CKP) Sensor