brake issue (electrical) - Team Camaro Tech
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post #1 of 8 (permalink) Old Sep 25th, 06, 08:38 AM Thread Starter
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brake issue (electrical)

I have noticed recently that when i step on my brakes at idle the voltage will go from 14 volts down to 12?
it never did this before.
could it be a light drawing too much current or will i need a better altenator?
or possible a corrosion problem in the sockets ect?
turn signals seem to draw alot aswell.


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post #2 of 8 (permalink) Old Sep 25th, 06, 12:04 PM
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Re: brake issue (electrical)

Is it the origianl alternator.?? Mine was doing that as well until I upgraded to a larger one. Could be a combination of that and old wires and light sockets.. after 30+ years the sockets get a lot of crud on them which raises resistance..

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post #3 of 8 (permalink) Old Sep 25th, 06, 12:06 PM
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Re: brake issue (electrical)

I've never noticed that from my brake lights, but my voltmeter does tick in time with the turn signals at idle. Mine is a 61 amp, ext. regulator system in pretty good shape.
Always considered it normal.





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post #4 of 8 (permalink) Old Sep 25th, 06, 02:14 PM Thread Starter
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Re: brake issue (electrical)

i have a 100 amp alt.
yeah its most likely the corrosion in betting.
ill be changing the rear tail lights and brake lights to LED sequential system this winter .
and a altenator upgrade to a 140 amp 10CS and do away with the external regulator.


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post #5 of 8 (permalink) Old Sep 25th, 06, 02:54 PM
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Re: brake issue (electrical)

Quote:
Originally Posted by dawg View Post
i have a 100 amp alt.
yeah its most likely the corrosion in betting.
ill be changing the rear tail lights and brake lights to LED sequential system this winter .
and a altenator upgrade to a 140 amp 10CS and do away with the external regulator.
A 100 amp one wire alternator? That can be a problem because there is no sense line.

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post #6 of 8 (permalink) Old Sep 25th, 06, 03:12 PM Thread Starter
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Re: brake issue (electrical)

no its a 100 amp 3 wire altenator


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post #7 of 8 (permalink) Old Sep 26th, 06, 03:19 PM
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Re: brake issue (electrical)

How old is the battery?
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post #8 of 8 (permalink) Old Sep 26th, 06, 05:17 PM Thread Starter
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Re: brake issue (electrical)

1 year old (battery)
it could also be the new pullys i put on the engine (underdrive)
at idle the car voltage reads 13 volts.
just above idle it reads 14 volts.
combine all the lights at night including brake lights and a pretty stout stereo system and im dropping voltage.
I cleaned the brake light sockets and turn signal sockets and still does the same.
my next step is to increase the size of the alternator wires etc.
then install a 135 amp 3 wire alternator and led sequential tail/brake lights.


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