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post #1 of 30 Old 05-22-2019, 07:36 PM Thread Starter
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White MTD LT-165 Won't start

So I have a brand new battery, band new starter solenoid and I have power going to the positive pole and the spade tab which I assume goes to the ignition switch, but when I turn the key I get zero dash lights on and hear nothing energize. I wonder If I got the wiring wrong?


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post #2 of 30 Old 05-22-2019, 09:52 PM Thread Starter
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Re: White MTD LT-165 Won't start

I should add that the positive lead is on one pole of the solenoid and the other red wire going to the starter + the ground wirre from the battery is on the other lug of the solenoid.
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post #3 of 30 Old 05-23-2019, 12:00 AM
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Re: White MTD LT-165 Won't start

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Originally Posted by red73mustang View Post
I should add that the positive lead is on one pole of the solenoid and the other red wire going to the starter + the ground wirre from the battery is on the other lug of the solenoid.
Check your fuse but I am confused by the above. The starter solenoid will have 2 large terminals and 1 or 2 small terminals. The +ve cable from battery (red) will be on 1 large terminal and with it may be a small wire (usually red) going to the keyswitch. The other big terminal will have the cable (again red) to the starter. The small terminal will have a small wire coming from the keyswitch but routed through some safety switches(which also might be your problem). If the solenoid has a second small terminal it's wire is grounded.

Sounds like your small wire is on the wrong large terminal and the cable from the other large terminal to the battery is not a ground wire but should be the +ve battery cable.
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post #4 of 30 Old 05-23-2019, 12:56 AM
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Re: White MTD LT-165 Won't start

there is two poles on the starter relay.. one will have the red cable from the battery.. this would hook the + pole on the battery.. (there is a small red wire that goes to the fuse that hooks to this post too).. the other pole on the starter relay will have the cable goin to the starter..

if u have the + & the - hooked up wrong at the battery.. the starter will turn backwards.. the red wire goes to the + post on the battery.. the black wire is the ground or the -..


the round fenderd JD's
4-JD 60's.. 2-JD 70's.. 6-JD 100's.. 2-JD 110's.. 2-JD 112's..

3 JD LT 155's.. JD R-72.. JD Scotts 2048.. JD 111.. JD Sabre 1742..
WH RJ-58.. WH Lawn Ranger.. WH 654.. WH 854.. 2- MF 14's..
Craftsman GT 6000.. CC 70.. CC 100.. CC 129..
total tractors is 30..
home built log spliter 4x24 ram.. 20hp.. 11 seconds per cycle..

give a monkey a wrench & he can ruin the world.. whirly 7/27/2018

Last edited by Whirly; 05-23-2019 at 01:14 AM.
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post #5 of 30 Old 05-27-2019, 03:08 PM Thread Starter
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Re: White MTD LT-165 Won't start

So I got the wiring corrected. I have replaced the solenoid, ignition switch, 30 amp fuse and the new battery reads 12 volts on the meter. I have power going to the positvie lead on the solenoid but I get noting on the starter side when I crank the key to the #3 postion (start). I also do not get dash lights when I turn the key to the #2 position
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post #6 of 30 Old 05-27-2019, 04:06 PM
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Re: White MTD LT-165 Won't start

If you jump with a wire across the large solenoid posts, the starter should turn.

There is +12v on the starter solenoid at all times. The relays ground the solenoid to engage it.

The wiring diagram is quite complicated. The ground for the starter solenoid floats from the frame ground. There are safety switches and relays that need to work to engage the starter solenoid. One of the relays may be loose or bad. The safety switches power the relays so there may be a loose connection or bad switch.

Diagrams are for 1998 and 1997. The 98 uses just safety switches and the 97 uses switches and relays.
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Implements: Restored Sears FEL not mounted yet, Haban 42" snow blower, 3-PT Carry All, 3-PT Winch Boom, 50" Mower Deck, 50" Rear Blade, 2 - 54" Front Blades, 4500w Generator, MTD 990 Rear Tiller.
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Last edited by VTXRider; 05-27-2019 at 04:12 PM.
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post #7 of 30 Old 05-27-2019, 10:16 PM
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Re: White MTD LT-165 Won't start

Quote:
Originally Posted by red73mustang View Post
So I got the wiring corrected. I have replaced the solenoid, ignition switch, 30 amp fuse and the new battery reads 12 volts on the meter. I have power going to the positvie lead on the solenoid but I get noting on the starter side when I crank the key to the #3 postion (start). I also do not get dash lights when I turn the key to the #2 position
do u have 12 volts on any terminal on the starter switch..


the round fenderd JD's
4-JD 60's.. 2-JD 70's.. 6-JD 100's.. 2-JD 110's.. 2-JD 112's..

3 JD LT 155's.. JD R-72.. JD Scotts 2048.. JD 111.. JD Sabre 1742..
WH RJ-58.. WH Lawn Ranger.. WH 654.. WH 854.. 2- MF 14's..
Craftsman GT 6000.. CC 70.. CC 100.. CC 129..
total tractors is 30..
home built log spliter 4x24 ram.. 20hp.. 11 seconds per cycle..

give a monkey a wrench & he can ruin the world.. whirly 7/27/2018
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post #8 of 30 Old 05-28-2019, 02:13 PM Thread Starter
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Re: White MTD LT-165 Won't start

I just remembered that I loosend the mower deck engagement lever bolts (one was missing) when I removed the side cover to access the ignition switch. Could there be a safety switch connected to that lever or would the position of that lever affect power to the solenoid or is that all handled by the PTO switch?

Last edited by red73mustang; 05-28-2019 at 03:37 PM.
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post #9 of 30 Old 05-29-2019, 12:05 AM
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Re: White MTD LT-165 Won't start

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I just remembered that I loosend the mower deck engagement lever bolts (one was missing) when I removed the side cover to access the ignition switch. Could there be a safety switch connected to that lever or would the position of that lever affect power to the solenoid or is that all handled by the PTO switch?
the PTO needs to b in the OFF position.. this may b a manual leaver or a PTO switch.. did u check for 12 volts at the backside of IGN switch???????? if u don't have that .. it will never start..


the round fenderd JD's
4-JD 60's.. 2-JD 70's.. 6-JD 100's.. 2-JD 110's.. 2-JD 112's..

3 JD LT 155's.. JD R-72.. JD Scotts 2048.. JD 111.. JD Sabre 1742..
WH RJ-58.. WH Lawn Ranger.. WH 654.. WH 854.. 2- MF 14's..
Craftsman GT 6000.. CC 70.. CC 100.. CC 129..
total tractors is 30..
home built log spliter 4x24 ram.. 20hp.. 11 seconds per cycle..

give a monkey a wrench & he can ruin the world.. whirly 7/27/2018
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post #10 of 30 Old 05-29-2019, 11:59 AM
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Re: White MTD LT-165 Won't start

when you say 12 v I hope you mean at least 12.4 volts. I hope you replaced the ignition switch with an exact copy. Another quick test to check if it's a safety issue is to remove wire from small terminal of the solenoid and jumper to the tab with +ve battery (available at the big lug where cable from battery is attached.). Should crank if solenoid and starter are good.
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post #11 of 30 Old 05-29-2019, 03:09 PM
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Re: White MTD LT-165 Won't start

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Originally Posted by 38racing View Post
when you say 12 v I hope you mean at least 12.4 volts. I hope you replaced the ignition switch with an exact copy. Another quick test to check if it's a safety issue is to remove wire from small terminal of the solenoid and jumper to the tab with +ve battery (available at the big lug where cable from battery is attached.). Should crank if solenoid and starter are good.
for measuring the volts .. this is done with all sorts of meters.. some show a dial witch u have to read.. some have a digital read out.. some do not show the tenth's of a volt..

he did not replace the IGN switch..


the round fenderd JD's
4-JD 60's.. 2-JD 70's.. 6-JD 100's.. 2-JD 110's.. 2-JD 112's..

3 JD LT 155's.. JD R-72.. JD Scotts 2048.. JD 111.. JD Sabre 1742..
WH RJ-58.. WH Lawn Ranger.. WH 654.. WH 854.. 2- MF 14's..
Craftsman GT 6000.. CC 70.. CC 100.. CC 129..
total tractors is 30..
home built log spliter 4x24 ram.. 20hp.. 11 seconds per cycle..

give a monkey a wrench & he can ruin the world.. whirly 7/27/2018
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post #12 of 30 Old 05-29-2019, 03:22 PM
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Re: White MTD LT-165 Won't start

Where do you now have the cable from the - side of the battery connected? As stated aboove, the + cable goes from the battery to one large lug on the solenoid, then a cable goes from the other large solenoid lug to the terminal on the starter. The cable from the - side of the battery should be bolted to the engine block.
Also, where are you picking up the + 12v for the ignition switch? It will either be a second wire to the + side of the battery, or a second wire to the solenoid terminal that the battery + cable is on.

My "honey-do list" is so long it has chapters.
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post #13 of 30 Old 05-31-2019, 08:36 PM
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Re: White MTD LT-165 Won't start

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Originally Posted by Whirly View Post
.....

he did not replace the IGN switch..
Post 5 said that he had replaced it.
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post #14 of 30 Old 06-01-2019, 01:02 AM
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Re: White MTD LT-165 Won't start

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Originally Posted by 38racing View Post
Post 5 said he had replaced it.
ur right.. I had to go back & reread..

now then to the OP.. I think he has the lil red wire on the solenoid on the wire that goes to the starter.. this lil wire also has the fuse inline.. it needs to b on the wire that goes to the battery..


the round fenderd JD's
4-JD 60's.. 2-JD 70's.. 6-JD 100's.. 2-JD 110's.. 2-JD 112's..

3 JD LT 155's.. JD R-72.. JD Scotts 2048.. JD 111.. JD Sabre 1742..
WH RJ-58.. WH Lawn Ranger.. WH 654.. WH 854.. 2- MF 14's..
Craftsman GT 6000.. CC 70.. CC 100.. CC 129..
total tractors is 30..
home built log spliter 4x24 ram.. 20hp.. 11 seconds per cycle..

give a monkey a wrench & he can ruin the world.. whirly 7/27/2018
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post #15 of 30 Old 06-01-2019, 01:30 PM Thread Starter
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Re: White MTD LT-165 Won't start

Starting to think I got a defective "New" solenoid. Will try another one.
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