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 Post subject: Battery discharge
PostPosted: Thu Oct 25, 2018 3:36 am 
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EFI Slant 6

Joined: Wed Jan 14, 2004 9:36 pm
Posts: 392
Car Model:
Two questions and hopefully some answers.

1. When I put my foot brake on my front and rear tail lights also go on. Why?

2. My battery discharges quickly (it is a new battery). Why?


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 Post subject: Re: Battery discharge
PostPosted: Thu Oct 25, 2018 2:10 pm 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
Posts: 6291
Location: So California
Car Model: 64 Plymouth Valiant
1. Bad ground on brake light bulbs. Current is going thru brake light filament, can't find a ground. Then current goes thru running light filaments in brake light bulbs. Then current finally goes thru front running light filaments to find ground.


2. Something is on that shouldn't be. Put ammeter on battery and pull fuses until current stops

_________________
Ed
64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes

8)


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 Post subject: Re: Battery discharge
PostPosted: Fri Oct 26, 2018 4:30 am 
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Turbo EFI
User avatar

Joined: Mon Jan 12, 2015 5:55 am
Posts: 1434
Location: Brightwood, VA
Car Model: 1965 Plymouth Belvedere I
Put your turn signal on and look front and rear to see if the park lights flash . May help you narrow it down to a side. Also check the bulbs to see if one has shorted filaments. Check the socket contacts, sometimes they will twist around and cause problems also. If all this looks ok, then just try looking for a bad ground (much harder to track down).
For the battery drain, same as above.
-Matt

_________________
-MattMan
LEANED & MEAN
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