Posted by: rickyracer ®
2001/08/31, 11:19:05
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Check your amp rating of your Alternater, if it's a 40 try and find a 60 and put in there. Ford Alts are don't put out much voltage at idle. Electric fans pull lots of amps when they run. 13 is pretty good reading.
You might also try putting a relay for the fan so that the switch just runs the relay and the fan gets it's power from the battery thru the relay. Less draw on the other side of the electrical system.:I have an electrical problem..it could just be the nature of the old car, but…. When I turn on my headlights the voltage drops to about 13 …. Same with the wipers. When anything electrical is used the voltage drops. I also run an electric fan and needless to say, when it’s dark and raining and I’m waiting to turn right at a light my wipers barely work! Everything is new accept the starter and a few accessory wires. Any thoughts? I guess I should check all grounds. This isn’t a new problem and when I put on a new alternator it cured most of it….these voltage drops seem a bit much though.
: I discovered another problem too. When I signal right and hit the brakes or hit the brakes and signal right the brake lights dim-out. This only happens with the right turn signal; which, I might add, is the one you have to hold to signal.
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