Posted by MDFJ on April 03, 2016 at 17:33:06 from (50.203.99.102):
I have a 1951 JD B Ser.# 201,000 and up.
The generator Delco Remy Mod# 1100506.
The generator was rebuilt 10 years ago and now the regulator is bad again. About every two years the Reg. quits working.
The OEM set up lasted for 20 of the 30 years I've owned this tractor. The tractor has a Mag. set up. I only need the generator to charge the Bat. after started and Run the lights at night.
I found the first owner had change the polarity of the system, From a Pos. Gnd. to a Neg. Gnd. the reason was because he was pulling a 12 V. Neg. Gnd. engine baler. As I do the same and had no problems until now. I don't have the OEM. regulator.
I found out that there were 3 types made. (1) /P, (2) /N, (3) N/P. These were inked stamped or written on the bottom of the Reg. I was told the N/P had ( Dissimilar metals on the upper and lower contacts) So It could be used on a Pos. or Neg. Gnd.
System. The others don't and are specific to polarity.
Does anyone have a good part # or a suggestion of what can be done?? So I can keep it A Neg. Gnd. Sys. I would like to keep it Orig. As Poss.
This tractor has been used every year to Plow, Cultivate, Seeding, and baling. 50 Acres For 30 Years.
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