GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Load Leveling Air Direction Valve (Envoy)

In the rear quarter of the vehicle

Automatic Level Control Component Views

Automatic Level Control Connector End Views

Load Leveling Height Sensor (Envoy)

On the frame rear crossmember

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Automatic Level Control Connector End Views

Load Leveling Inflator Switch (Envoy)

In the rear quarter of the vehicle

Automatic Level Control Component Views

Automatic Level Control Connector End Views

Load Leveling Pump (Envoy)

In the rear quarter of the vehicle

Automatic Level Control Component Views

Automatic Level Control Connector End Views

Load Leveling Timer Relay (Envoy)

In the rear quarter of the vehicle

Automatic Level Control Component Views

Automatic Level Control Connector End Views

Underhood Bussed Electrical Center (UBEC)

On the top of the left inner wheelwell

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Bussed Electrical Center (UBEC) Connector C1 (68 Cavities) (Body)

Below the UBEC

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C470 (3 Cavities) (Envoy only)

In the right rear body trim between the body harness and the load leveling harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C471 (6 Cavities) (Envoy only)

In the right rear body trim between the body harness and the load leveling harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C472 (2 Cavities) (Envoy Only)

In the rear quarter of the vehicle

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G470 (Envoy)

(Circuit 1350) Body harness, in the LH rear body corner, near C403 to the tail lamp harness

Power and Grounding Component Views in Wiring Systems

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P100

IP bulkhead pass-through, LH rear of the engine compartment, on the cowl

Power and Grounding Component Views in Wiring Systems

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P400 (Envoy)

Right hand rear of vehicle

Power and Grounding Component Views in Wiring Systems

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S470 (Envoy)

(CKT 1350) In the Rear Quarter harness approximately 4 cm right of load leveling air direction valve breakout.

Power and Grounding Component Views in Wiring Systems

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S471 (Envoy)

(CKT 1350) In the rear quarter on the load leveling harness

Power and Grounding Component Views in Wiring Systems

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S472 (Envoy)

(CKT 321) In the rear quarter on the load leveling harness

Power and Grounding Component Views in Wiring Systems

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S473

(CKT 639) In the rear quarter on the load leveling harness

Power and Grounding Component Views in Wiring Systems

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S474

(CKT 1840) In the rear quarter on the load leveling harness

Power and Grounding Component Views in Wiring Systems

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