MtNgranek
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- Chicago, IL
First, let me say that I know the wiring in this truck is exceptionally jacked up. I want to figure out this Gen 2 problem and then I'm going to re wire it properly.
Now for the Gen 2 issue. I bought the truck (M1009) last August and have had intermittent battery problems. Finally it dawned on my that Gen 2 was the likely culprit because it was always the back battery giving me issues. I had it tested and then rebuilt about a week ago, put it in the truck, and still batt 2 wont charge. I thought the alternator may have been a dud so I took it out and had it tested again, but it works fine.
Now comes the wiring, which is horrifying to say the least. I believe it is all hooked up more or less "right" now, but here it goes.
Batt 1 neg to 24v neg buss bar, the small bottom one. Its not hooked to the larger 24v pos buss bar, it's grounded to the engine
Batt 1 pos to batt 2 neg, the small 12v eng wrg harness block on the right through the batt 2 neg post (which is hooked to batt 1 pos so it's basically the same thing) and gen 1 pos
Batt 2 neg to batt 1 pos, alt 2 neg, and eng wrg harness block (yes, some of this explanation is redundant)
Batt 2 pos to 24v buss bar (which serves as both pos and neg) and alt 2 pos through the 24v buss bar
Alt 1 small pos to eng wrg harness block
Alt 1 exciter to dash gen 1 light
Alt 1 pos to batt 1 pos
Alt 1 ground to engine
Alt 2 small pos to 24v buss bar
Alt 2 exciter to alt 1 exciter via jumper cable (gen 2 light socket is messed up and doesn't work. A job for another day.)
Alt 2 pos to batt 2 pos through 24v buss bar
Alt 2 ground to batt 2 neg
Batt 1 reads 14v and some change when running
Batt 2 reads 12v and some change when running
I can't seem to figure out why alt 2 wont charge the rear battery. Any help would be greatly appreciated.
Thanks
Now for the Gen 2 issue. I bought the truck (M1009) last August and have had intermittent battery problems. Finally it dawned on my that Gen 2 was the likely culprit because it was always the back battery giving me issues. I had it tested and then rebuilt about a week ago, put it in the truck, and still batt 2 wont charge. I thought the alternator may have been a dud so I took it out and had it tested again, but it works fine.
Now comes the wiring, which is horrifying to say the least. I believe it is all hooked up more or less "right" now, but here it goes.
Batt 1 neg to 24v neg buss bar, the small bottom one. Its not hooked to the larger 24v pos buss bar, it's grounded to the engine
Batt 1 pos to batt 2 neg, the small 12v eng wrg harness block on the right through the batt 2 neg post (which is hooked to batt 1 pos so it's basically the same thing) and gen 1 pos
Batt 2 neg to batt 1 pos, alt 2 neg, and eng wrg harness block (yes, some of this explanation is redundant)
Batt 2 pos to 24v buss bar (which serves as both pos and neg) and alt 2 pos through the 24v buss bar
Alt 1 small pos to eng wrg harness block
Alt 1 exciter to dash gen 1 light
Alt 1 pos to batt 1 pos
Alt 1 ground to engine
Alt 2 small pos to 24v buss bar
Alt 2 exciter to alt 1 exciter via jumper cable (gen 2 light socket is messed up and doesn't work. A job for another day.)
Alt 2 pos to batt 2 pos through 24v buss bar
Alt 2 ground to batt 2 neg
Batt 1 reads 14v and some change when running
Batt 2 reads 12v and some change when running
I can't seem to figure out why alt 2 wont charge the rear battery. Any help would be greatly appreciated.
Thanks