Posted by karl f on June 10, 2010 at 23:05:08 from (172.130.6.159):
It turns out i was impatient and angry previously and i think i did not thoroughly test.
My core tested good on the bench with tester adapters and manually so it is back on the tractor. But It will not self excite on its own at any rpm using a smaller pulley and the indicator light wiring method. it also will not excite if two-wire plug is removed and test light from batt to 1 and jumper from batt to 2 are used. that test method worked instantly on the bench tester, however.
If I use a wire from batt terminal to 1, it excites instantly. My sealed dash indicator light measures 30 ohms. All terminals and wires that should have voltage have same as battery voltage at times they should. if used in parallel, the test light will barely light compared to dash light.
It's almost like 30 ohms is too much resitance this time?
just guessing, the bulbs recommended in Bob M's diagrams of 200ma are 60 ohms?
I coached an I/O boat alternator wire job last year using same indicator and alternator # and it worked perfectly instantly. maybe because of difference in pulley rpm.
I do have acc light wired to ACC terminal. It would be easy to hardwire without light but I like having the light.
What will happen if i parallel a 100 ohm 10watt resistor to the indicator light? or do I reduce the ohms for that situation?
I also do not want to mess with momentary switches for exciting.
10si with warning light is supposed to be simple and reliable.
this should not be this complicated
thanks
karl f
ps but it's makin a fool out of me. The world has a smarter idiot now. nearly 140 IQ and can't make a foolproof thing work!
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