Question about Honda Prelude
with the car off using a digital multimeter check the voltage output of the battery. it should be around 12.8 volts
turn on your car (if you can) and then check the voltage again it should now be around 14.6-14.8. have someone turn on the heater blower motor to high and look to see if the voltage goes down when started and then climbs back up. it should . after that with the blower still on high turn on the rear defoster and look for the same scenario. slight drop then return to around 14.5 v or higher. If the response is other than described replace the alternator.
Posted on Jul 17, 2008
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Posted on Jan 02, 2017
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