gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] > < Diagram Information and Instructions|Page 4223
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Fuel Pump Relay: Service and Repair

Fuel Pump Relay

Remove or Disconnect:

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Verify that ignition switch is in the OFF position.

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Disconnect the wiring harness plug.

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Remove the fuel pump relay.

Install or Connect:

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Install the new fuel pump relay.

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Reconnect the wiring harness plug to relay.

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Verify correct operation to confirm repair.

Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] > < Diagram Information and Instructions|Page 4223