Guest Anonymous Posted October 31, 2001 Share Posted October 31, 2001 my car: 280zx 1978 hey my battery drains flat in abuot 4 days of not driving it i found that something is draining 0.26 amps from the battery constantly ive then checked alot of the wiring in the car and the drain is not through the fuses its from a cable which is plugged in to the alternator the alternator seems to still charge my battery when i drive around but with this on and the car stopped its constantly draining 0.26 amps. i think this is the cable which charges the battery or sumfin, but i duno can anyone tell me what the top cable plug from the alternator is??? and is there a short in my alternator or sumfin? should i buy a new one? sumone help me!! Quote Link to comment Share on other sites More sharing options...
pparaska Posted October 31, 2001 Share Posted October 31, 2001 It sounds like the field is being fed 12v even with the key off. Are both of the small wires that go to the alternator (the field energize and voltage sensing wires, if present) fed 12V all the time? Quote Link to comment Share on other sites More sharing options...
Kevin Shasteen Posted October 31, 2001 Share Posted October 31, 2001 Is your alternator consist of an internal voltage regulator or an external regulator mounted somewhere on the inner fender or the firewall. When Voltage Regulators go bad they sometimes will give the symptoms your desribing, AKA: The alternator gauge indicates it's charging while the engine is runing but while the car is parked it will drain the battery. Before replacing anything make sure all your grounds w/in the ignition/charging circuit have good clean contact surfaces & their wires have not become corroded or rusted. Kevin, (Yea,Still an Inliner) Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.