New to the forum, looks like a lot of info floating around so I thought Id post up what I have, where Im at with it, understand some nomenclature, and ask for any advice as I get deeper in.
2007 Rancher 420 FM (manual shift - no gauges *yeah you know, cause anyone who wants to shift with their feet sure would have no use for a gauge pod - speedo - hr meter * :icon_ nono: )
Bought it new, might have 30 hours on it (just havent had time to ride and have only used it hunting which is pretty limited need for it) Kept in the garage unless its on the trailer.
Ran it 3 weeks ago for 2-3 hours, all was well. Loaded it on the trailer, came home, and parked the trailer by the garage. Was planning on getting back out with it in the last couple weeks, but that didnt pan out. So it sat outside for a few weeks. Went to unload it, give er a bath and put er in, and VIOLA problems....
Hit the key, IAC motor backs off, but the fuel pump doesnt kick on momentarily, timing on the lights on the "dash" all act as they have in the past. No crank. Check battery, 12.7 volts. Throw the batt charger on just in case, no different - no fuel pump cycle, no crank, batt shows full and ready to rumble.
Was grumpy from a bad day anyway, so this just added to it, so I pushed it off the trailer, washed it off, and put in the garage to think about its actions.
While I had covers off, noticed a green with I think yellow or red striped wire, that looked melted a little... found teeth marks on the cable cover and wire insulation, so I know it was mice. Didnt dig any farther... didnt need any more drama yesterday.
Today, got the service manual and wiring diagram... oy... Im used to reading Japanese wiring diagrams on CNC machines... you know, where they number wires and colors and you can follow the schematic and they have a glossary of abbreviations... yeah... not this one... Just colors, only at terminations, so the page junctions are hard to traverse... and of course its SO HUGE my fat fingers cover have the diagram just trying to follow one wire...
Anyway.... so far, having not dug any further into the patient... I have just been filling my head with understanding of the wiring... to see if I can pin point a cluster of wires that would make sense of what is happening, or if just one wire could be the culprit, or if Im looking at a short to the ECM, rendering it garbage and the needs for a new one.
One thing has me baffled (an no I dont have any formal training in wiring, just self taught - so its probably a basic lack of understanding) - on the wire diagrams, it lists J/C 1, J/C 2, and J/C 3 - which to me seems would be a connector, or junction to something.... but given all the other stuff on the diagram, it doesnt seem to be. Guess if I knew what J/C stood for (as long as its not Junction/Connector) that might help... Anyone shed some light on that?
Right now, I see some ties that could get right in the middle of the fuel pump running and the starter relay not energizing... but the ties are at these J/C spots... so Im not sure what is on the "other side" of those wires.
Ill get some stuff pulled off and out here in the next day or so to see physical damage, and that might help me get to the root of it... but would rather not tear down, replace the visible bad stuff, to put it back together just to see.. I would rather fix it, know how it works, and know its fixed before I go back together with it.
Thanks in advance for any input.
Wade
2007 Rancher 420 FM (manual shift - no gauges *yeah you know, cause anyone who wants to shift with their feet sure would have no use for a gauge pod - speedo - hr meter * :icon_ nono: )
Bought it new, might have 30 hours on it (just havent had time to ride and have only used it hunting which is pretty limited need for it) Kept in the garage unless its on the trailer.
Ran it 3 weeks ago for 2-3 hours, all was well. Loaded it on the trailer, came home, and parked the trailer by the garage. Was planning on getting back out with it in the last couple weeks, but that didnt pan out. So it sat outside for a few weeks. Went to unload it, give er a bath and put er in, and VIOLA problems....
Hit the key, IAC motor backs off, but the fuel pump doesnt kick on momentarily, timing on the lights on the "dash" all act as they have in the past. No crank. Check battery, 12.7 volts. Throw the batt charger on just in case, no different - no fuel pump cycle, no crank, batt shows full and ready to rumble.
Was grumpy from a bad day anyway, so this just added to it, so I pushed it off the trailer, washed it off, and put in the garage to think about its actions.
While I had covers off, noticed a green with I think yellow or red striped wire, that looked melted a little... found teeth marks on the cable cover and wire insulation, so I know it was mice. Didnt dig any farther... didnt need any more drama yesterday.
Today, got the service manual and wiring diagram... oy... Im used to reading Japanese wiring diagrams on CNC machines... you know, where they number wires and colors and you can follow the schematic and they have a glossary of abbreviations... yeah... not this one... Just colors, only at terminations, so the page junctions are hard to traverse... and of course its SO HUGE my fat fingers cover have the diagram just trying to follow one wire...
Anyway.... so far, having not dug any further into the patient... I have just been filling my head with understanding of the wiring... to see if I can pin point a cluster of wires that would make sense of what is happening, or if just one wire could be the culprit, or if Im looking at a short to the ECM, rendering it garbage and the needs for a new one.
One thing has me baffled (an no I dont have any formal training in wiring, just self taught - so its probably a basic lack of understanding) - on the wire diagrams, it lists J/C 1, J/C 2, and J/C 3 - which to me seems would be a connector, or junction to something.... but given all the other stuff on the diagram, it doesnt seem to be. Guess if I knew what J/C stood for (as long as its not Junction/Connector) that might help... Anyone shed some light on that?
Right now, I see some ties that could get right in the middle of the fuel pump running and the starter relay not energizing... but the ties are at these J/C spots... so Im not sure what is on the "other side" of those wires.
Ill get some stuff pulled off and out here in the next day or so to see physical damage, and that might help me get to the root of it... but would rather not tear down, replace the visible bad stuff, to put it back together just to see.. I would rather fix it, know how it works, and know its fixed before I go back together with it.
Thanks in advance for any input.
Wade
