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TRAC Motor Relay
- Remove TRAC motor relay from relay box No. 2. Measure voltage between relay box No. 2 terminal No. 1 and body ground. If voltage is not 10-14 volts, check and repair harness or connector.
- Check continuity between relay box No. 2 terminal No. 2 and ABS/TRAC ECU terminal MTT. See TERMINAL IDENTIFICATION table. See Fig 1. Also check continuity across TRAC pump motor terminals. If readings are not 4-6 ohms, repair or replace harness or TRAC pump motor.
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