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Order Ford 801 Parts Online

FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED

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SKFOOTER

05-27-2014 11:24:35




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I had to tap the starter button several times before the tractor would turn over and start. The voltmeter stayed on zero for several minutes after I got it started but then went to 12. After bushogging for a couple of hours, the voltmeter gauge pegged out at 30 and finally a puff of white smoke rolled out from under the steering wheel so I turned the engine off. I looked inder the dash and the two voltmeter wires had melted. This tractor was converted to 12 volt negative ground with electronic ignition and coil several years ago. Any ideas as to what caused this short??

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sotxbill

05-28-2014 08:18:19




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-27-2014 11:24:35  
I',\m guessing the starter stuck and it was trying to pull 100 amps continously why he was driving it.. So it brunt the wires up as the alternator also was at max the whole time.
At least its a thought.



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SKFOOTER

05-28-2014 09:02:37




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to sotxbill, 05-28-2014 08:18:19  

sotxbill said: (quoted from post at 08:18:19 05/28/14)
I',m guessing the starter stuck and it was trying to pull 100 amps continously why he was driving it.. So it brunt the wires up as the alternator also was at max the whole time.
At least its a thought.
I did not jump start it. And I bushogged for almost 2 hours before my dilemma occured and it was pulling 12-13 amps on the ammeter gauge during that time so I don't believe the starter continued to run that long.
This post was edited by SKFOOTER at 09:03:55 05/28/14.

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JMOR

05-28-2014 10:21:44




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-28-2014 09:02:37  
Quoting Removed, click Modern View to seeAn 801 did not come from Ford with an ammeter, so there is no telling what size wires or how someone connected the ammeter when they installed it????



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SKFOOTER

05-28-2014 10:41:12




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to JMOR, 05-28-2014 10:21:44  
The ammeter gauge was installed several years ago replacing the fuel gauge and a new 801 wiring harness was installed throughout the tractor at the same time also.



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JMOR

05-28-2014 10:48:50




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-28-2014 10:41:12  
What I was getting at is that it couldn't have been an un-modified factory 801 harness because it would not have had a provision for an ammeter. If it was an aftermarket conversion harness for an 801, then all bets are still off as to how ammeter was wired as I can guarantee you that all aftermarket conversion harnesses are NOT the same.



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Larry NCKS

05-28-2014 04:11:18




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-27-2014 11:24:35  
number of things can cause that, one of which is a bad starter button itself. A bad solenoid, bad wiring or connections, weak battery to name a few.



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SKFOOTER

05-28-2014 06:22:40




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to Larry NCKS, 05-28-2014 04:11:18  
I took the battery off and put it on the charger last night and it is fine and fully charged. And I took a closer look at the wires. The only ones that were fried were the two attached to the ammeter gauge. They melted all the way down to where they all converge into the wiring harness(about 4-5 inches from the gauge). But my lights will not burn and the tractor will not fire.
This post was edited by SKFOOTER at 06:23:46 05/28/14.

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JMOR

05-28-2014 06:29:41




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-28-2014 06:22:40  
Cut/peel the tape off harness & replace those 2 wires & any other that they may have burn into.



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SKFOOTER

05-28-2014 06:58:56




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to JMOR, 05-28-2014 06:29:41  
What gauge wire should I use? And which electrical components should I check out to make sure they are functioning properly and won't cause the problem again??
This post was edited by SKFOOTER at 07:01:42 05/28/14.



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JMOR

05-28-2014 08:00:03




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-28-2014 06:58:56  
Believe originally #12. What components to check for shorts to ground? Anything that receives power or generates power. Didn't by any chance use jump start with wrong polarity did you?



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soundguy

05-27-2014 11:52:36




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-27-2014 11:24:35  
BOTH wires melted. on a volt meter? really?

the volt meter is a parallel device. one side is referencing ground... the other side ref's your hot ( polarity .. who cares as long as you have meter reading correctly ).

Now.. as jmor said. if the line ref'ing hot came into contact thru chaffing to the chassis. then that wire would have burned fromit's source ( usually key switch ), up to the point it met chassis.

that's the definition of 'short' circuit. IE. shorter than normal path.

in a short.. the rest of the circuit is out of the pat. that means the rest of the wire going to the meter, and the other wire to ground. should be untouched.

even if the meter itself s..ie.. it's case and internals shorted.. that would still leave the one wire to ground untouched.


are you sure this is not a series device.. like an ammeter?

there is more to this story you are not telling us!

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SKFOOTER

05-27-2014 11:59:07




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to soundguy, 05-27-2014 11:52:36  
I stand corrected. It is a 30 amp ammeter. And the engine surged when the smoke boiled out from under the steering column so I turned the key off immediately. But I'm curious if the failure of the starter button to initiall turn the engine over points to the problem??
This post was edited by SKFOOTER at 12:02:13 05/27/14.



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soundguy

05-27-2014 12:19:29




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-27-2014 11:59:07  
see.. words mean something....

ammeter and volt meter hook up quite differently. one is serial.. the other is parallel.

still. look for shorts. if it is past the ammeter.. ie.. down range of it as both wires burnt. you should see the contact area and start of the burn.

tell us how you have that solenoid wired.



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SKFOOTER

05-27-2014 12:33:50




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to soundguy, 05-27-2014 12:19:29  
I know just enough about tractor repair to be dangerous so I can't tell you haw the solenoid is wired. I haven't been able to contact my tractor mechanic yet. But I'm still curious as to what causes the starter button to not engage when I first press it down???



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JMOR

05-27-2014 11:29:56




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-27-2014 11:24:35  
Quoting Removed, click Modern View to seeTypical short is a hot wire coming into contact with grounded structure. Soooo, look for place where wire insulation was rubbed away by movement & vibration against structure.



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SKFOOTER

05-27-2014 11:32:18




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to JMOR, 05-27-2014 11:29:56  
Thanks. Is there any danger of my electronic ignition being ruined because of this??



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JMOR

05-27-2014 11:35:59




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-27-2014 11:32:18  
Quoting Removed, click Modern View to seeprobably not



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WayneIA

05-27-2014 11:35:41




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 Re: FORD 801 VOLTMETER GAUGE WIRES SHORTED OUT AND MELTED in reply to SKFOOTER, 05-27-2014 11:32:18  
Yep



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