hummer Workshop Repair Guides

Hummer Workshop Service and Repair Manuals

Sensors and Switches > < Glow Plug Relay|Locations
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Glow Plug Relay: Service and Repair

GLOW PLUG RELAY/CONTROLLER REPLACEMENT

1. Disconnect battery ground cable.
2. Remove console and engine cover.
3. Disconnect power cable at relay/controller (Figure 3-59)

Figure 3-59: Glow Plug Relay/Controller Location

4. Disengage three connectors from glow plug controller.
5. Remove retaining bolt and remove relay.
6. Position relay/controller on bracket and install attaching hardware.
7. Engage connectors in relay/controller.
8. Connect power cable to relay/controller stud.
9. Install engine cover and console.

10. Connect battery ground cable.

Sensors and Switches > < Glow Plug Relay|Locations