FLASHING Brake/Charge lights when WARM

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Old 10 Apr 2006, 11:51 am   #1 (permalink)
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Default FLASHING Brake/Charge lights when WARM

Just replaced alternator (Kragen Autolite). Worked fine for month or
so, then odd thing started to happen: brake/charge lights flash on/off
when car is fully warm and driving on city streets. On smooth freeway
driving, or at idle, no flashing; only when much accel/deccel does this
happen. Anyone got ideas -- do I have loose wires, or is this a bad
alternator? Tim

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Old 11 Apr 2006, 11:41 am   #2 (permalink)
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Default Re: FLASHING Brake/Charge lights when WARM

Isn't Autolite the supplier for Ford products?
When the charge light comes on, it is indicating that the alternator is
not charging the battery, but rather the battery is discharging. For
some unexplained reason, frequently the brake light comes on at the
same time in many Toyotas, but if you correct the problem with the
alternator not charging the battery, both lights will go out.
If the light is flashing, sounds like it is charging only
In my experience it is not uncommon for rebuilt aftermarket alternators
and starters to fail.
The remanufactured factory (Toyota) units typically give exceptionally
long and trouble free service.
If you do go back to the Toyota Denso alternator, they generally last
the life of the car if you change the brushes around 150,000 miles.
Should cost under $20 for the brushes set from the dealer.

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