FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Mercury
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1999
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Grand Marquis V8-4.6L VIN W
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Pinpoint Tests
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X - Constant Control Relay Module (CCRM)
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Test Notes
Test Notes
This Pinpoint Test is intended to diagnose the following:
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Constant Control Relay Module
(CCRM)
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Harness circuits: B+, FC, LFC, HFC, ACCS, WAC, VPWR (TO CCRM), A/C Clutch PWR, (Low/High) Fan PWR, GND
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Powertrain Control Module
(PCM)