For 1990-2009 cars

Figure 1: |

#### Engine Harness to Engine (LG5), Right Side

(1) | Engine Coolant Temperature (ECT) Switch (UER)
(2) | Generator

Figure 2: |

#### Engine Harness to Engine (LG5), Front View

(1) | Engine Coolant Temperature (ECT) Gage Sensor
(2) | C115
(3) | Intake Air (IA) Heater Relay Connector

Figure 3: |

#### Engine Harness to Engine (LG5), Left Side

(1) | C408/C409
(2) | Upfitter TO PTO Connector
(3) | Upfitter TRANS OPT Connector
(4) | Powertrain Control Module (PCM) Connector
(5) | Engine Oil Pressure (EOP) Switch
(6) | Engine Oil Pressure (EOP) Gage Sensor
(7) | Fuel Heater

Figure 4: |

#### Automatic Transmission Harness --Typical-- without MTW/MX4/MWF

(1) | To Backup Lamp Switch
(2) | Vehicle Speed Sensor (VSS)
(3) | Automatic Transmission Modulator
(4) | Neutral Safety Switch
(5) | C408/C409

Figure 5: |

#### Engine Harness to Transmission (MWF)

(1) | Transmission
(2) | Automatic Transmission Input Shaft Speed (ISS) Sensor
(3) | Vehicle Speed Sensor (VSS)

Figure 6: |

#### Manual Transmission Harness, Left Forward View

(1) | Backup Lamp Switch
(2) | Vehicle Speed Sensor (VSS) (JE4)
(3) | Vehicle Speed Sensor (VSS) (JE3)

Figure 7: |

#### Engine Harness to Transmission (MTW/MX4)

(1) | Turbine Shaft Speed (TSS) Sensor
(2) | Automatic Transmission Connector
(3) | Vehicle Speed Sensor (VSS)
(4) | Park/Neutral Position (PNP) Switch
(5) | Automatic Transmission Input Shaft Speed (ISS) Sensor

Figure 8: |

#### Lower Left Side of Cab Interior

(1) | Instrument Panel
(2) | Accelerator Pedal Position (APP) Sensor

Figure 9: |

#### Instrument Panel Harness to Instrument Panel, Right Front View

(1) | Ignition Switch
(2) | Park Brake Switch (JE3/J71)
(3) | Turn Signal/Multifunction Switch C3
(4) | Turn Signal/Multifunction Switch C2
(5) | Turn Signal/Multifunction Switch C1
(6) | Headlamp Dimmer Switch
(7) | Turn Signal/Hazard Flasher Module
(8) | Park/Neutral (PNP) Switch C3
(9) | Park/Neutral (PNP) Switch C2
(10) | Park/Neutral (PNP) Switch C1
(11) | Accelerator Pedal Position (APP) Sensor
(12) | Low Air Pressure Switch
(13) | Stop Lamp Switch

Figure 10: |

#### IP Harness to Components, Right View

(1) | Stop Lamp Switch Interface Module
(2) | Convenience Center
(3) | SERVICE TRANS FILTER Indicator Lamp
(4) | Seat Belt Indicator Lamp
(5) | Upfitter Accessory Feed Connector
(6) | C210
(7) | Upfitter AUX WRG Connector, Interior
(8) | Daytime Running Lamps (DRL) Diode
(9) | Blower Motor C1
(10) | Blower Motor C2
(11) | C208
(12) | G210
(13) | Speaker - RF

Figure 11: |

#### Instrument Panel Harness to Components, Left Side of Cab

(1) | Multifunction Alarm Module
(2) | Park Brake Control Module (PBCM)