WHY DOES ENGINE SHUT DOWN WHEN USING POWER.

Tiny
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  • MEMBER
  • 1994 BUICK PARK AVENUE
  • 136,000 MILES
WHY DOES ENGINE SHUT DOWN WHEN USING POWER WINDOWS OR SEATS, WILL NOT RESTART UNTILL IT SITS FOR WHILE
Friday, October 19th, 2012 AT 6:09 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Check the charging system with a professional load test. I suspect you'll find you can only get one third of the generator's rated output, (which isn't enough to meet the demands of the system), and "ripple" will be very high. If output is okay and ripple is low, suspect an overheated contact in the ignition switch.
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Friday, October 19th, 2012 AT 6:45 PM

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