not charging

[copteaser]

just bought this 87 GN new battery and new alternator, battery wires seem ok. it seems that the car is not charging, any ideas in where to check and where to look for. any help will be highly appreciated.

 

[1fastcobra]

Does the battery.light come on in the dash when u turn the key ?

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[GNVenom]

http://www.installationinstructions.com/FYI/alternator_charging_tech.pdf

This will explain it.

 

[TexasT]

Mine did that. I got the caspers jumper and never looked back. Thought you do need to make sure the alternator is charging. I made a thread when I had this prob.

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[copteaser]

battery light does not come on.. I had the battery and the alternator checked and they are both good... if I turn the car on and disconnect the battery cable, the car dies.

 

[1fastcobra]

Change the bulb in the dash
192

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[copteaser]

any other ideas, in where to look?

 

[1952ray]

any other ideas, in where to look?

What 1fastcobra said

 

[hiboom]

1fastcobra is telling you correct the bulb must work In order for the alternator to charge or just do Casper's field fix and be done


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[GNVenom]

^ ^ ^ Go to post no. 3, and click on the link. Then read it again. Take as long as you need to understand it....

 

[earlbrown]

battery light does not come on.. I had the battery and the alternator checked and they are both good... if I turn the car on and disconnect the battery cable, the car dies.

If the battery light does not light up your car WILL NOT charge. It's a stupid ass design, and whoever at GM thought it was a good idea for a warning system to TAKE OUT the charging system needs to be flogged.



Also, NEVER take a battery cable loose to 'check the charging system'. It is a great way to destroy a lot of perfectly find parts and send you way down the wrong rabbit hole of troubleshooting!

 

[Raeban]

If the battery light does not light up your car WILL NOT charge. It's a stupid ass design, and whoever at GM thought it was a good idea for a warning system to TAKE OUT the charging system needs to be flogged.

^^^ This ^^^^

 

[SCOOBY DOO]

http://www.installationinstructions.com/FYI/alternator_charging_tech.pdf

This will explain it.

Great writeup...thanks so much.

 

[copteaser]

thanks you all for all the help.

 

[copteaser]

ok, I changed ALL the bulbs and I noticed that none of the bulbs are lighting up, except for the check engine. in other words, only one works (check engine works). the turning signals, brake light, seat belt, and others don,t light... I checked ALL the fuses and they are all good.

 

[1fastcobra]

Ck the plug on the back of the cluster
With age plug pulls away and does not make good contact.
Sometimes to ck this turn the key to the run position and push on the cluster the lights 90% of the time come on
And will then go out when u let go


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[copteaser]

1fastcobra, you were RIGHT on the money!!!!.. I checked the back of the cluster and it was almost completely out. I pushed it back in and WALLA!!! The cluster lite up like a Christmas tree.. Thanks