UPFITTER ELECTRICAL NEWS
Upfitter Aux. Switches (RPO 9L7):
Please refer to UI Bulletin #110f for important updated information.
Rear Lighting Connections:
Please refer to UI Bulletin #113 for more information.
Commonly Used Electrical Connections/Circuits:
If you’re looking for an Ignition HOT circuit or maybe you’re in need of a Vehicle Speed Signal or other in cab signals, please refer to UI Bulletin #115.
IMPORTANT New UI Bulletin
Improper Engine Block Heater (Option K05) Usage - Continuous Power
UI Bulletin #117 has just been posted to the Technical Bulletin page... This bulletin provides important usage information of the Engine Coolant Heater on diesel engines. Please take a moment to review this very important informational update.