Stever00
Member
- Joined
- Aug 19, 2012
- Messages
- 43
- Location
- Vinemont,Al 35179
- Tractor
- New Holland 3930 w/Bushhog loader, Yanmar 2500, Dixie Chopper SilverEagle
Just want to share what I have encountered in the last few weeks. Bought a 3930 lows hours but tach cable was broke. Didn't know a few things till after I bought it. When you buy a tractor run it long enough to see if hour meter is working. Ask a bunch of questions cause some people won't tell you anything bad unless you ask and then still may not. Make them lie to your face. I didn't. The tach cable is what runs your hour meter. I first thought it would be electronic. It's not. A new cluster if you need one will run about 200 bucks or less at the right places on the internet. Crosscreek has them for under 200 and so does Ebay.
I also found out after I bush hogged late and come home late with the lights on that it didn't charge. Went through the process, check the battery, take the alternator off and check it, put on a new belt. Was told the alternator was bad at a shop here but I have my doubts now. Put on the new Alternator from (AutoZone-$156.00 bucks. Charged up the battery back up. Crank up the tractor. Check over the battery with volt meter. Still no charge. Checked all the wiring for breaks and rodent damage. Changed out 2 Bosch relays. One under the hood and one is under the cluster area. They both are the same part number. After this still no charging. Go back to the internet read, read, read. Found a forum talking about the Lucas battery heat sensors. Ok where is one on my tractor? They are under the slide out battery box your battery sits on. It looks like a removable drain plug but looking closely you will see it has two wires going to it. I found mine had one wire broke on the rubber coated sensor. Looked on the internet and never really found one. They have a new part number now from being replaced by another one. Its New Holland 829988248. You can find some with this number. The other Lucas number they are all in the UK.
I read where you can put a 200 ohm resistor in place of the sensor and it will work. You would want a higher voltage resistor. Some of you electo whizzes may know. That was my plan and still may do it. Instead I took an X-Acto knife and carefully cut down into the rubber coating around the broken wire until I had enough to solder the wire back. I done this and put heat shrink tubing on it and tied it back out of the way under the hood.
Cranked the tractor and had a fully charging battery. Even the headlight indicator in the cluster started working where as it didn't with the broken wire on the sensor.
So if you have charging problems check the battery sensor before you buy a new alternator like I did. THEY WILL KEEP YOUR ALTERNATOR FROM CHARGING THE BATTERY!! Hope this will help someone else who has the problem along the way. These forum are what saved me more headache.
That's my story and I'm sticking to it!
P.S. The Bosh relays are 12 V 30 Amp number 0332019151 (2 ea.) Auto parts has other brands with this number but I think Bosch brand will serve you better.:cool2::thumbsup::laughing:
I also found out after I bush hogged late and come home late with the lights on that it didn't charge. Went through the process, check the battery, take the alternator off and check it, put on a new belt. Was told the alternator was bad at a shop here but I have my doubts now. Put on the new Alternator from (AutoZone-$156.00 bucks. Charged up the battery back up. Crank up the tractor. Check over the battery with volt meter. Still no charge. Checked all the wiring for breaks and rodent damage. Changed out 2 Bosch relays. One under the hood and one is under the cluster area. They both are the same part number. After this still no charging. Go back to the internet read, read, read. Found a forum talking about the Lucas battery heat sensors. Ok where is one on my tractor? They are under the slide out battery box your battery sits on. It looks like a removable drain plug but looking closely you will see it has two wires going to it. I found mine had one wire broke on the rubber coated sensor. Looked on the internet and never really found one. They have a new part number now from being replaced by another one. Its New Holland 829988248. You can find some with this number. The other Lucas number they are all in the UK.
I read where you can put a 200 ohm resistor in place of the sensor and it will work. You would want a higher voltage resistor. Some of you electo whizzes may know. That was my plan and still may do it. Instead I took an X-Acto knife and carefully cut down into the rubber coating around the broken wire until I had enough to solder the wire back. I done this and put heat shrink tubing on it and tied it back out of the way under the hood.
Cranked the tractor and had a fully charging battery. Even the headlight indicator in the cluster started working where as it didn't with the broken wire on the sensor.
So if you have charging problems check the battery sensor before you buy a new alternator like I did. THEY WILL KEEP YOUR ALTERNATOR FROM CHARGING THE BATTERY!! Hope this will help someone else who has the problem along the way. These forum are what saved me more headache.
That's my story and I'm sticking to it!
P.S. The Bosh relays are 12 V 30 Amp number 0332019151 (2 ea.) Auto parts has other brands with this number but I think Bosch brand will serve you better.:cool2::thumbsup::laughing: