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X46 - Check B+ to Pusher Fan Control Relay

- Key "OFF".

- Disconnect Pusher Fan Control (PFC) relay.

PFC Relay Vehicle Harness Connector:

- Measure voltage between the B+ circuit at the PFC relay vehicle harness connector and the battery negative post.

- Is voltage greater than 10.5 volts?

Yes -- Go to X47. X47 - Check Pusher Fan Ground Circuit

No -- Service open in B+ circuit. Reconnect PFC relay. Re-evaluate symptom.