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Problem After Fitting New Bosch Alternator Bxn1231A

Ty1

By Ty1,
in General Maintenance

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Ty1 Experienced

Ty1

Posted
Posted

as the title states im having a problem after fitting a brand new bosch alternator to my r33 gtst to replace the existing factory alternator. I did not have any problems with the battery or charging prior to this. I have the battery factory located in the boot and noticed after driving today that it was extremly hot to touch and liquid had started seeping out from it even though its one of those maintenance free batteries. Just before taking it for a drive I started it up to make sure everything was good and let it sit for a few hours then went to touch the alternator and it was still really hot. like it was still charging the battery or something. when fitting it I disconnected the battery as per usual and followed all the instructions, tensioned the belt correctly etc. I noticed on the factory alternator it had 2 cables screwed to it. a bigger one which goes to the battery and another little cable which screws to the alternator housing for grounding or something. but on the instructions with fitting the new one it only had the one big cable and plug connected. I'm thinking there is either something internally wrong with the alternator or that little cable wasn't meant to be fixed to it. anyone had any experience with these bosch alternators or has a picture of there install? it would help me out immensely. Thanks

  • 1 month later...
jeffworld2 Veteran

jeffworld2

Posted
Posted

It's a bit hard to work out what you did, but if you connected an earth to the big lug that would be whats going on. Try and remove the small connection and see if it still charges.

I would say the battery is fubbarred already by what you described

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