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Old 05-13-2014, 05:30 PM   #7 (permalink)
darcane's Avatar
Join Date: Aug 2009
Location: Buckley, WA
Posts: 1,586

Ninja 650R - '06 Kawasaki Ninja 650R
90 day: 52.02 mpg (US)

B*tch - '01 Honda Civic HX
Team Honda
90 day: 38.09 mpg (US)

Ms. Hyde - '06 Cadillac CTS V
Sports Cars
90 day: 16.93 mpg (US)
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Before throwing money at it, are you sure it's the alternator?

Honda uses something called an Electronic Load Detector (ELD) to vary the alternator output. If this is acting up, you could see symptoms similar to a bad alternator. It's especially noticeable if you have a stereo or added some auxiliary fog lights that are not sensed by the ELD (it's located in the main fuse box). With a large current draw that is not detected by the ELD, the alternator may not be driven hard enough to balance out your power consumption.
2001 Civic HX Mods

Past Cars:

2003 Silverado Mods
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