Testing a Ford 6G PCM controlled alternator.

[Kevin Criswell]

2002 Ford Windstar

This vehicle was brought in for a “battery” light that was on even after the company had a rebuilt alternator installed. The vehicle was also acting strangely and had multiple ABS,BCM and PCM codes and a parts store testing the charging system noticed spikes up to 16 volts.

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[fordranger]

mhm you’d think since a shop rebuilt it,itd be 100%.i see more rebuild mess ups on a cheaply rebuilt Chinese alt and starter

[Kevin Criswell]

Well lots of times re-builders use cheap outsourced regulators. For a non-pcm controlled alt I would be more likely to use a bit cheaper part to save the customer money, but with “smart” regulators the OEM is your best bet.

This video also makes a good point that NEW does not mean good, as Ron Ananian says NEW stands for Never Ever Worked.

[Author]

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