Electrical help

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Joined
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Hi all you electrical guru's:-) First a little history? As most of you know I got Sheldon's BJ70/71. Ever since I have had it, when you start it up, the alternator does not come on line until you rev the engine past aprox 1400rpm, and the filter, parking break, battery light stays on until the alternator comes on line. This is fine and dandy as far as I can tell, except what has happend this weekend. At first, these three lights would flicker on and off sporadically. Then as the weekend progressed the lights would flicker more often. Then on the way home today, the lights would flicker on/off at the same rythem as what the hazard ligths would flash at. Playing around with the electrical load, I got the lights to stop blinking on/off if I increased the electrical load, like turn the interior fan speed up or turned on the headlights. Then the lights would stop blinking, but the volt meter needle would still bounce up/down at a certain rate. This bounce is not like from full to empty, just at the top of where it normally sit. Also, then the lights are blinking I can hear a solenoid from under the dash that is clicking in unison with the dash lights. The 24V-12V converters still showing it's green LED light, so I don't think there is anything wrong from that end? Does this mean the voltage regulator is going bad? Where is the voltage regulator in these? Is it seperate from the alternator, or is it part of the alternator? As always, thanks in advance for any help.
 
My 13BT, and Stones 13BT also does the same time at inital startup. This is nothing to do with your issue would be my guess.

1) Have you put a volt meter on your batteries to see what the charge is under load?

2) Pull the alternator brush assembly, and check the brushes.

3) I believe it is an internal regulator. Might be the reg...

hth's

gb
 
My gut would be that the internal regulator is going/gone. But you way want to pull the internal regulator and check brush length before you spend money on a reg. You could also just pull the alt and take it to a competent shop. They may be able to get a new regulator through a shop there. if not we should be able to get one down here, OEM or Denso from an Alt shop.

Sheldon
 

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