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430 Crawler wiring update

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MIKE HANLEY

04-24-2003 15:40:14




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Test will be tomarrow. I left it with the knife switch closed. I now go from the alt to the amp gage, the other side of the amp gage to the starter selonod where the battery cable connects. From the amp gage on the same post as the wire that goes to the starter a second wire goes to the fuse (now in) to the BAT on the switch. AMP gage dosen't work wired eather way but while I was in town I picked up a VOLT gage ane wired that in the same as I have on the 730D and the 630. When I first wired it in it read 11 1/2 volts. Started tractor and it went to 15 volts. After running tractor a while shut it off and the volt gage read 12 volts. And there is where is is. Tomarrow will tell the tail. The two mistakes I made was 1) no fuse, new bulbs were $9.98 each, and 2) I wired from the switch to the starter instead of the amp gage.

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Clooney

04-24-2003 18:32:47




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 Re: 430 Crawler wiring update in reply to MIKE HANLEY, 04-24-2003 15:40:14  
Mike, you still don't have it quite right...
~Lets go one wire at a time...
~Remove all the wires from the ammeter EXCEPT the wire running to the starter post, then put the nut on the ammeter stud with the wire going to the starter post so you can't put any more wires on that side.
~Then put ALL the other wires on the remaining post. Should include the alternator wire & the wire to the [BAT] terminal on the ign switch.
~If the ammeter reads backwards when done swap the wires from post to post.
~While a voltmeter is a good idea, if it is wired to read ALL the time it will run the battery down. You might want to wire it to the [IGN] terminal on the ign switch. It will read slightly low that way but won't run the battery down.
~It kind of sounds like you might have a bad ammeter though as it should at least show the battery charging amperage the way you have it wired now [it won't show light or igniton loads though].... ..

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John T

04-24-2003 16:01:03




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 Re: 430 Crawler wiring update in reply to MIKE HANLEY, 04-24-2003 15:40:14  
Mike, normally, theres only 1 wire on the ammeters high (to battery) side, while all loads like lights or switches PLUS generator or alternator outputs etc. are ALL wired to the OTHER POST. That way, the ammeter measures current flow INTO (like from alternator) or OUT OF (like to lights or ignition switches) the battery. Often loads like a cigarette lighter are NOT ran through the ammeter, but fused and are off the high (battery) side.

I got lost down below, what load or what are you using the wire and fuse you mentioned which you wired off the high (battery) side of the ammeter???? With a 1 wire alternator, its output should be wired (as you seem to have it)to the ammeters low (non battery) side along with all the other light and switched loads.

A voltmeter monitors battery voltage (not current in or out of it like the ammeter) and is, of course, parallel wired right with its 2 terminals.

Good Luck, Ol John T in Indiana

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MIKE HANLEY

04-24-2003 20:49:08




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 Re: Re: 430 Crawler wiring update in reply to John T, 04-24-2003 16:01:03  
I sent both you guys an e-mail on how it is wired as of today. Left the tractor about 4:00 pm with the volt metter reading 12 V. At 9:00 pm I turned on the lights for about 1/2 hour with the tractor NOT running. After 1/2 hour the volt gage read just a hair under 12 volts. Started tractor and ran it for about 1/2 hour and the volt gage read 13 1/2 volts when I stared it up. When I shut it off the gage read 12 v on the money.

Proubly a good thing I pulled the dash. Found the expanion pin that presses into the dash casting that holds the friction disk on the throttle broke. Fixed that and does it idel down to a nice slow speed now. If I hadn't pulled the dash I never would have seen that.

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Clooney (new information)

04-25-2003 06:54:18




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 Re: Re: Re: 430 Crawler wiring update in reply to MIKE HANLEY, 04-24-2003 20:49:08  
Mike, per your E-Mailed drawing. You can get that wired correctly with just a couple of wire movements.
~1st, just move the fused ign switch feed wire to the other ammeter terminal. [same one as the alternator is hooked to now].
~2nd, move the voltmeter feed wire to the [I] terminal on the ign switch.
~If the ammeter isn't showing a charge the way it's wired now you might as well leave it the way it is wired as the ammeter isn't working anyhow so it won�t make any difference. ~You really should move the volt meter feed wire to the [I] terminal of the ign switch though, as the voltmeter wired the way you have it now will slowly drain the battery over about a week or so. Or you could just put a push button in that voltmeter feed wire & just push the button when you want to check battery voltage.

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John T (Update after I got your e mail)

04-25-2003 06:32:19




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 Re: Re: Re: 430 Crawler wiring update in reply to MIKE HANLEY, 04-24-2003 20:49:08  
Hey Mike, I got the e mail and diagram of how you have it wired. I see you have her negative ground (for the alternator) and the 6 volt non ballasted coil wired as neg ground which is how I would wire it.

HOWEVER, you should put that 20A Fuse circuit wire over there on the OTHER side of the ammeter NOT the same side as your red wire which is the battery voltage supply. The ONLY wire on the left ammeter post should be the battery supply circuit so all your loads (including the alternator) are all on the right. The way you have it wired, the ammeter doesnt measure the current going (out the battery) to your ignition switch and lights.

Also, if the voltmeter were wired up there to the ignition switch where you have the (I) wire, it wont be a current draw on the battery when the tractior is settign turned off. It will only be on and work that way when the tractors ignition is turned on. While it draws little current, the way you have it wired it will trickle discharge the battery over a long period of time as its ALWAYS a load connected to the battery regardless if the tractor is on or off.

Swap that fuse circuit to the other ammeter post and swap the voltmeter wire up there with the ignition switches I terminal, and I give her a clean bill of health.

Best Wishes Ol John T

PS, I dont suppose that tractor has either an extra starter solenoid (I) terminal or a mechanical start switch extral lil side terminal does it??? If so, on tractors that do, that terminal is hot ONLY when the engine cranks and its connected to the coil or low (non battery) side of the ballst so you get full battery voltage on the coil only when cranking to give a better spark when starting.

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