I replaced the battery and when I attached the positive cable, the dash wiring started smoking like a freight train! I was told to connect the positive cable first, did so, no problem, started right up, then a few minutes later it was smoking again! I am an electrically challenged gal, can splice wiring, but green about testing. Any ideas what may have happened? I tried the horn and it worked, but the headlights did not.
B7100 wiring smoking!!!
- Thread starter dobiedisco
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85Hokie
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BX-25D ,PTB. Under Armor, '90&'92-B7100HST's, '06 BX1850 FEL
You got something crossed up, something HOT is grounded out, or something that has some bad chafing on the insulation on the wire. On B7100 - it seems that the wire running to the lights is ALWAYS disconnected and hanging down in or near the engine......
If it smoked - can you isolate "where" it smoked? Color of wire? Can you take a picture?
If it smoked - can you isolate "where" it smoked? Color of wire? Can you take a picture?
None of the wiring was touched when changing out batteries, which is why I thought it may be related to connecting the negative cable first. There is something disconnected behind the dash, because I saw the connection dangling when I was taking pics, all of the wiring to the dash was smoking. Thank you for replying, hope the pics are helpful.
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Btw, the disconnected wire is on the ignition side. The glow bulb is gone, so I wonder if that's what the connection is for, will need to check. I have to get it loaded up and moved from the property I sold. The "good Christians" who bought it have been using and destroying my belongings and trying to lay claim to things.
North Idaho Wolfman
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L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Make sure that positive goes to the starter and negative goes to ground, installing the battery backwards will work but it probably fried the voltage regulator. 
If you need to get it going go to the starter and remove the small wire that is also connected on the same terminal as the big battery cable, then remove the small wire from the solenoid, make sure the tractor in in neutral and brakes are set, with an old screwdriver jump the large battery terminal to the small solenoid terminal and the tractor will crank and start and run, yes nothing else will work but you can get it loaded and moved.
If you need to get it going go to the starter and remove the small wire that is also connected on the same terminal as the big battery cable, then remove the small wire from the solenoid, make sure the tractor in in neutral and brakes are set, with an old screwdriver jump the large battery terminal to the small solenoid terminal and the tractor will crank and start and run, yes nothing else will work but you can get it loaded and moved.
I dont understand why the fusible link didnt blow. Backwards cables as wolfman said may be the case. There are identical batteries out there that have polarity reversed and can cause issues. Another thing if an extra wire is present,but mistakenly left off or laying under battery couldbe a cause also.
Now that you mention it, I looked to see where the battery cables ran after the smoking saga and the one on the "positive" side appeared to be grounded. I bet the cables are reversed, I never bothered to look at that when removing and replacing the battery. Fingers crossed that is the problem, I'll find out tomorrow. Thanks, everyone.
North Idaho Wolfman
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Most likely after you get it moved you will need to replace the voltage regulator as I'm most certain its toasted.
It is with a glowing red face I report back that the cables were reversed. I put the clamps on the correct cables, connected the battery and it started up just fine. I let it run a bit and could smell the burnt wiring smell, looked and couldn't see anything smoking, so I wonderif it's residual from yesterday. I'll look on my manual for the voltage regulator part number.
Thank you for pointing out the obvious, I'm embarrassed to have made an assumption!!! PO never changed the battery, so I'm sure he didn't know.
Thank you for pointing out the obvious, I'm embarrassed to have made an assumption!!! PO never changed the battery, so I'm sure he didn't know.
Well, at least you had the courage to come back and tell us. It may very well be a clue to others who come and search for answers.
If the regulator is fried, it's easy to change. Couple of bolts and one wire harness connection.
If the regulator is fried, it's easy to change. Couple of bolts and one wire harness connection.
How will I know if it's fried? Don't want to start brush hogging and have it die in the middle of the pasture with even more damage.
Daren Todd
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Start the tractor, then meter the battery. If your getting between 13.5 and 14.5 volts your good. If voltage regulator is fried, then it's either not gonna be charging, or over charging (15 volts plus)
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North Idaho Wolfman
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L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Actually as long as it starts your good to go, there is nothing electrical involved in the B7100 running.
But yes you will need to make sure it's charging to keep everything happy down the line.
What North Idaho Wolfman said, just don't turn your lights on, leave your air conditioner off and don't use the radio or CB.
Ha-ha, I'll make sure to turn off the GPS and seat warmer , too! Hopefully, the regulator is fine. I need to rearrange things on the trailer to distribute the weight and it started, but died immediately. Has gas, just filled it up. Maybe if I tell it the BX2200 is becoming my favorite, it will behave. With my luck, it would be just the opposite.
coachgeo
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L225 w/woods Few Mowers & Back Blade, D722 in Motorcycle (Triumph Tiger), LMTV
My bad, filled it up with diesel. I promise not a blonde, just too much going on with this running back and forth between Houston and Arkansas.If it's got gas..... it aint going to start.
Diesel tends to work better
It starts, but will die immediately. Has a fairly new fuel filter. Also, If the horn works, is that an indication the regulator is ok?
85Hokie
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BX-25D ,PTB. Under Armor, '90&'92-B7100HST's, '06 BX1850 FEL
How long did it run when the wiring started to smoke?
Once you flipped the battery - how long did it run? Post 9 you said it ran a while.....
when the filter was changed - did the lines get bled until bubble free?
SO what has changed between that time and now - runs and cuts off?
DO you have a volt/ohm meter? If not, pick one up, very cheap ($10) - can get one at walmart
- best test is to take meter, set on DC voltage and read the battery at rest, should be 12.5+ , THEN start and run - rev up some (if possible) and test, IT should go up and read 13.4+ volts.....(if it does NOT change, or go up - then your wiring is toast, or VR is - the horn might work with any voltage from battery or bad VR
Will not tell you if VR is cooked.When I first connected the battery and started it, I shut it off immediately, checked the cables, tried again, had it running for probably less than a minute while I tried to see a where the smoke was coming from.
After the cables were corrected, it was running for appx 5 minutes.
I checked the manual and saw where the lines need to be bled if the tank was dry, so I did and it's running like a champ with the slightest bit of smoke coming from the regulator, I believe. I do have a multimeter and will check as instructed. ***128522;
After the cables were corrected, it was running for appx 5 minutes.
I checked the manual and saw where the lines need to be bled if the tank was dry, so I did and it's running like a champ with the slightest bit of smoke coming from the regulator, I believe. I do have a multimeter and will check as instructed. ***128522;