MY CUSTOMER HAS A 2000 COUGAR AND HAS HAD THE ALTERNATOR REPLACED 3 TIMES IN 3 MONTHS , THE WIRING LOOKS GOOD ,IT HAS A NEW BATTERY AND THE FUSE IS GOOD,ANY SUGGESTIONS?

Asked by Aug 27, 2013 at 04:19 PM about the 2000 Mercury Cougar

Question type: General

1 Answer

1,435

Some Cougars were fitted with ecu controlled alternators and they were often causing issues.You can verify this by counting the wires in the multi plug to the alternator 2 is standard, 3 is ecu controlled and if so is possibly where your problem lies. Also there might be a problem with wiring harness from the central junction box (under the bonnet) to the B+ terminal on the alternator, this would cause the dash and light to flicker and could be fixed by replacing the loom or adding a new feed direct from the main battery cable on the back of the alternator.

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