gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Auxiliary Cabin Heater Ignitor|Service and Repair|Page 13323 > < Auxiliary Cabin Heater Fuel Pump|Diagrams|Page 13319
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Auxiliary Cabin Heater Ignitor: Service and Repair

Heater Coolant Heater Glow Plug Replacement

Tools Required

 J-38125 Terminal Repair Kit

Removal Procedure

1. Remove the heater coolant heater.
2. Remove the heater coolant heater control unit.

Important:  Note the routing of the wiring to ensure proper installation.

3. Using J-38125-560 remove the glow plug wiring from the electrical connector.
4. Remove the glow plug from the heater coolant heater.

Installation Procedure

Auxiliary Cabin Heater Ignitor|Service and Repair|Page 13323 > < Auxiliary Cabin Heater Fuel Pump|Diagrams|Page 13319