Custom Wiring on alternator - Chevy Impala SS Forum
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post #1 of 16 (permalink) Old 07-29-2018, 10:01 PM Thread Starter
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Custom Wiring on alternator

Looking for some help on my 1995 chevy impala ss.. I bought car about 2 years ago.. Has not gave me problems. My wife decided to take it out with her friends and it died on her... Alternator seems to be the culprit. Anyways bought new one but won't keep car charger.. It has some wiring done to alternator that I cannot figure out maybe you guys can help.. Let me know if you have seen this set up..
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post #2 of 16 (permalink) Old 07-30-2018, 09:59 AM
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Stereo, or aux power for a trailer plug. From the images it looks like a self resetting breaker and relay. You could unplug them and see what quits.


If a new alternator did not fix the problem you can play the guessing game and change your battery or get out the voltmeter and do some measuring..Free alternator and battery testing is usually available at auto parts stores. This can save you time and money.



Dirty battery terminals and ground to engine connections are common places to start.

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post #3 of 16 (permalink) Old 07-30-2018, 01:12 PM Thread Starter
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Quote:
Originally Posted by Z09B4U View Post
Stereo, or aux power for a trailer plug. From the images it looks like a self resetting breaker and relay. You could unplug them and see what quits.


If a new alternator did not fix the problem you can play the guessing game and change your battery or get out the voltmeter and do some measuring..Free alternator and battery testing is usually available at auto parts stores. This can save you time and money.



Dirty battery terminals and ground to engine connections are common places to start.
Car starts but I was told it won't recharge battery.. So might me an external voltage regulator. Because of how its ran.. Its not connected with the pigtail
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post #4 of 16 (permalink) Old 07-30-2018, 01:17 PM
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Wasn't this covered recently, and decided that this was a circuit breaker and relay setup for an upgraded headlight harness?

This is not an external regulator.

Mike - '94 BBB SS (RIP 06/16) - '95 DGGM SS - '96 DCM SS - '92 BBB Wagon
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post #5 of 16 (permalink) Old 07-30-2018, 06:10 PM
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Quote:
So might me an external voltage regulator. Because of how its ran.. Its not connected with the pigtail
?????????????????????????????????????????????????? ?????????????????????????


It could be whatever you want it to be, BUT it has a relay diagram on the side of it and says Germany. Not too many German regulators with relay diagrams work with a CS144 that already has a internal regulator.

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post #6 of 16 (permalink) Old 07-30-2018, 10:26 PM Thread Starter
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Quote:
Originally Posted by threeimpalas View Post
Wasn't this covered recently, and decided that this was a circuit breaker and relay setup for an upgraded headlight harness?

This is not an external regulator.
Actually this was not recently covered. This breaker and relay runs back to my ELECTRIC WATER PUMP.. Not a custom headlights harness.
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post #7 of 16 (permalink) Old 07-30-2018, 10:35 PM Thread Starter
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Also looked up the fuse and it came back as a VW fuse. All this is connected to my waterpump then this runs to another relay which controls a buzzer inside the car which goes off of water pump decided to fail. So where the alternator OEM connection goes was capped off and its now bolted behind the alternator and then 2 power wires run from battery to alternator. As you can see in my ****ty pictures..now I was told thAt our alternators self excite them selves ..now I bought this car with a few mods already. So I'm trying to figire out if previous alternator was custom inside. Which looks like it was a cs130..I tried hooking up a cs144 the same way and it killed 2 of them. I was told to just buy a 1wire and be done..I dont mind buying it but I also don't want to burn another one..budget is tight. Thats why I'm here asking for Your help.
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post #8 of 16 (permalink) Old 07-31-2018, 12:35 AM
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Take your old original alternator to an old school auto electric shop. They will know instantly what type of regulator it has. Since that setup worked for 2 years, just rebuild it. Now if you used it as a core, you are screwed. Is that pic the original or new unit? What does the label say?

These Frankenstein/Rube Goldberg setups should not be bought unless they come with a schematic or the ability to reverse engineer it.

Last external regulator I owned was a 65 Riviera Gran Sport. Internal has been around for a LONG time.

Or try a good high school or vocational college. Maybe you will actually get someone who is interested in your car and knows what to do.

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Last edited by grandpas wagon; 07-31-2018 at 12:50 AM.
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post #9 of 16 (permalink) Old 07-31-2018, 10:28 AM
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Quote:
Last external regulator I owned was a 65 Riviera Gran Sport. Internal has been around for a LONG time.
grandpas wagon


The CS144 and CS130 BOTH use the same internal regulator.



Do you have any evidence of a external regulator? A picture of the old alternator?



The external regulator you keep asking about would look out of place in the engine compartment and would have wires that run to the alternator. These wires probably would not be run in the factory wiring split loom but also look like they were added to the car.



The CS144 connections are battery, warning light, and ignition power.
The CS130 connections are battery, warning light, and ignition power.
[quote]


Quote:
I was told thAt our alternators self excite them selves ..now I bought this car with a few mods already. So I'm trying to figire out if previous alternator was custom inside. Which looks like it was a cs130..I tried hooking up a cs144 the same way and it killed 2 of them. I was told to just buy a 1wire and be done..I dont mind buying it but I also don't want to burn another one..budget is tight. Thats why I'm here asking for Your help.
You have not identified why the original alternator quit. Throwing alternator after alternator at it will not help.


As grandpas wagon suggested
Quote:
Take your old original alternator to an old school auto electric shop.
I suggest you take the whole car. One misplaced wire is the difference between charging and frying a alternator. A recommended and qualified person should get you on the road in under a hour unless they have to replace the alternator again.

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post #10 of 16 (permalink) Old 08-27-2018, 11:32 AM
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The relay and circuit breaker are the harness for the electric water pump. And it sounds like your car might have the warning system that was made by another old forum member.

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