Posted by bc on December 15, 2010 at 06:56:46 from (71.158.220.25):
Hi, the cub wiring question got me thinking about my 2606 alternator that has me stumped. It is a single wire 12v alternator that just barely shows a charge or discharge of maybe 1 amp or so on a 30 amp guage. I can see the needle deflect slightly is all even when I put the lights on brights. It has always done this since I had it but seems to keep the battery up after running even when I jump start it.
I just recently rewired it except for the 10 guage wire from the alternator going to the positive side of the ammeter. I replaced the ammeter thinking it was bad cause I never really saw it budge. The new one just budges enough I can tell it moves.
This is a replacement engine and has a 4 wire voltage regulator. When I took out the old wire bundle, all the wires to the reg had been cut by a previous owner. I left it disconnected.
I've looked at all the diagrams that can be found on this site and I think it is wired OK. It has a key switch and then a push button for the starter.
Does this one need an exciter or maybe the alternator is bad? I can run it with the headlights on and hardly any movement on the guage and it doesn't seem to dim the lights.
I also added a voltmeter and think I have a bad battery cell as it starts with 12v and drops to 10v or 9v with headlights on and then the voltage slowly starts going up like it is charging. A cheap HF float charger keeps it topped off 24/7 for starting.
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