Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Transfer Case Actuator Relay: Testing and Inspection




ELECTRIC PUMP RELAY CHECK









1. Using a jumper wire, connect the positive battery terminal (+) to the electric pump relay terminal No. 3, and the negative battery terminal (-) to the terminal No. 1.
2. Check for continuity between the electric pump relay terminals No. 2 and No. 4.





3. If defective, replace the electric pump relay.