Warning light
Hello everyone,,,Ok, so my battery warning light came on a few weeks back and eventually the car (Facelift diesel Auto Tourer) ground to a halt due to a flat battery.. been there before and familiar with the problem rectification so a new 2 pin brush unit was ordered from DMGRS and duly fitted…..and then ……..the engine was fired up…..guess what????……the light stayed on….and still wont go out!!!!:mad::mad::shrug:
I have checked fuses in particular fuse 36, 5 amp, in fact all 5 amp fuses are intact. I know i may be missing something. The original ‘denso’ regulator brushes were still very much serviceable (10mm) and the slip rings were unworn and duly lightly cleaned. The alternator is clear of any oil and other apparent damage. The new set from DMGRS was fitted regardless to hopefully sort the issue of no alternator output, but to no avail,,!!!:shrug::shrug: So guys, any pointers would be helpful here as my girl is sat on the drive and wasting away! She is at 98000 miles (owned since 56000 miles) on original Denso 2 pin alternator and one of Matt’s regulators. If it’s a new alternator to be had, then so be it but I would like to try all avenues before i spend money unecessarily. Any advice gratefully received!!:bowdown::bowdown: |
Have you checked that ALL connections plugs and earths , including body earths and battery clamps are good . Is there any current output at the battery terminals whilst running ? The renewed items that you have fitted are not always the problem, but usually are the case. There is also a bridge rectifier with diodes that can and do burn out. This is a separate part within the alternator and you can renew this usually from a car parts supplier ,if this should be the problem. I suggest that more investigation is required including a full battery dead cell and holding charge check , before proceeding. If the battery is at fault you could well burn out your next alternator .... ;)
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I guess I need to pull of the Regulator again and check the stator and rotor for any continuity or earthing problems. Great videos on YouTube reg this process. Bit of a pain with alternator in place though, so I will check all connections and earths as you say first If i have to take out the alternator, i would be inclined to replace with a new one inc belts etc to make it worthwhile job although at a cost. |
Another option would be to pick up a used working one from a trusted source , and transfer your new bits over. You then would have a spare to play around with at your leisure. ... ;)
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try cleaning the electrical connector and the contacts
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