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Electrical problem???


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Angelphase
New User

Sep 22, 2020, 6:05 PM

Post #1 of 14 (285 views)
Electrical problem??? Sign In

2002 Chevy Monte Carlo 3.4 200k mileage


After car had new exhaust put in, I door dashed (delivered food) for 2 days straight. Got up today it wouldn’t start. I knew it needed a battery so I got a new one. Someone said Alternator was bad, got a new one. Still wouldn’t start so they put in a starter too. Car wouldn’t start then 20 mins later it started. Started a good 8 times after...drove about 10 miles. Parked. Now it won’t start again. Ideas on what I need now?


(This post was edited by Angelphase on Sep 22, 2020, 6:06 PM)


Hammer Time
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Sep 22, 2020, 6:58 PM

Post #2 of 14 (276 views)
Re: Electrical problem??? Sign In

Define "won't start".

Is it cranking but not starting or not cranking at all.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Angelphase
New User

Sep 22, 2020, 7:09 PM

Post #3 of 14 (262 views)
Re: Electrical problem??? Sign In

Click click click, lights flashing, no “crank” or “rehrehreh” sounds.


Hammer Time
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Sep 22, 2020, 7:18 PM

Post #4 of 14 (253 views)
Re: Electrical problem??? Sign In

OK, you have a bad connection somewhere. Start with the battery terminals and remove them, wire brush them completely and if they have any corrosion on them, dip them in boiling water to clean them.

Then start working through all the battery cables, including the grounds and negative cables. Don't just look at them, remove them to clean each one.

Make sure they didn't leave any ground straps off when they did the exhaust.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Sep 22, 2020, 7:19 PM)


Angelphase
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Sep 22, 2020, 7:23 PM

Post #5 of 14 (245 views)
Re: Electrical problem??? Sign In

Thank you, I’ll do all of this and check back in later! My mechanic is decent but is as blind as a bat and only getting older. I think he overlooked something along these lines.


Hammer Time
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Sep 22, 2020, 7:27 PM

Post #6 of 14 (242 views)
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Of course he did. There was no reason to suspect the alternator once you had a new battery. The alternator recharges the battery but you had a brand new one.

He should have done some testing before throwing parts at it.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Angelphase
New User

Sep 22, 2020, 7:33 PM

Post #7 of 14 (236 views)
Re: Electrical problem??? Sign In

Agreed. Sad part is my good common sense said “that’s a new battery, I bet those terminals are bad” but I called him anyway and since I was at work all day I just let him do what he thought was needed. Unsure


Tom Greenleaf
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Sep 23, 2020, 1:32 AM

Post #8 of 14 (224 views)
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Wow - all those start up in 10 miles doing a job going nuts with a car that has 200K on it. I give you credit for effort under a strain!
This all could have been a slipping belt to begin with no time to charge up went Domino* and took out battery, alternator and starter probably a mistake? IDK it's done now without much real testing didn't seem there was time for.
That's a problem - throwing parts at it like that is part of the problem or a lot of it. You might just start over again with the same if doing that with one failure taking out the next item.


*Domino I mean the game not a place that delivers BTW. It knocks down the following piece of wood/plastic as a game done that way not as intended as a game so don't confuse that term or food place if you or readers did.


Stop with the car and check from belt, alternator on down the line with a charged battery so this behaves for work like you want probably pays well but hard on a vehicle and YOU,


T



Hammer Time
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Sep 23, 2020, 4:07 AM

Post #9 of 14 (218 views)
Re: Electrical problem??? Sign In


Quote
This all could have been a slipping belt to begin with no time to charge up went Domino* and took out battery,


That all would have been ruled out when the new battery was installed.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
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Sep 23, 2020, 6:23 AM

Post #10 of 14 (196 views)
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? Tensioner at max? Maybe not? T



Hammer Time
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Sep 23, 2020, 6:54 AM

Post #11 of 14 (194 views)
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Again, it should have started right up with a new battery.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
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Sep 23, 2020, 7:10 AM

Post #12 of 14 (187 views)
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Same story I didn't re-read this. New battery already wasn't full when installed started fine 8 times is about right. It wasn't charging that last 1/3rd from new.
Bum deal playing parts ping-pong for a car making good bucks probably in a hurry no time to charge up, new alt red hot again now who knows?
Been there done that with too many usually it's a day later after a road call (by another) worked for a short while,


Tom



Hammer Time
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Sep 23, 2020, 7:21 AM

Post #13 of 14 (184 views)
Re: Electrical problem??? Sign In


Quote
I knew it needed a battery so I got a new one. Someone said Alternator was bad, got a new one. Still wouldn’t start so they put in a starter too. Car wouldn’t start then 20 mins later it started.


He stated it would not start after new battery was installed but did later. You can't blame a charging system for that.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
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Sep 23, 2020, 9:05 AM

Post #14 of 14 (175 views)
Re: Electrical problem??? Sign In

IDK for sure HT or OP. New batts are not fully charged is some reason in the mix. It started later now pulling a really "Old Phart" trick for lesser lead/acid batteries in cold weather or just cooler was to put a drain on it like turn headlights on for a minute, take a break and the dang thing would start just barely but usually worked!
The use of one heats it up so CCA (cold cranking force) goes dramatically up. Don't do that as any trick but it's the same lead and acid be they flooded or AGM more popular now.
Did the road calls for the first cold snap where I am and left then (done with that stuff) my donor vehicle and running dead one that wasn't fully dead both do the work to charge it. Unhook then watch customer vehicle start on its own to know they were ok also feel alternators and quit if too hot quit it or blow those right then and there - they do. If not can glaze over brushes don't put out what they are rated for anymore out on the road not enough to be sure there are tests to show it takes time no hurrying this isn't done out there.


It's not in front of me to do even touch and feel for belt or other things to suspect a clear reason but the parts tossing if not all in order can do this back to step one just because source reason is still there is all I meant. Good luck and hope it's solved soon back to your delivering much needed now for many,


Tom






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