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r1jakecfd

520h won’t turn over with keyswitch

By r1jakecfd, in Wheel Horse Electrical

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r1jakecfd    51

r1jakecfd
Posted

Hi Guys,

I have a ‘91 520h that sat for a couple of months and was working fine. Now it won’t turn over with a new battery by the key switch. I jumped the starter directly from the battery and it turns over. It doesn’t always engage the pinion though.

I checked the blue wire from the key switch to the starter solenoid. It shows just under 12v when key is off and no voltage when key is in start position. Is this correct?

Also, the PTO switch light on the dash lights up when in start position as well. The all the safety switches were overridden when I bought it. No fuses either🙄. That’s my next project.

Need to get this baby going... Expecting 1-2’ of snow tomorrow night!

Thanks for any advice!

Cheers,

John

Essex, MA

 

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lynnmor    7,354

lynnmor
Posted

Since the previous owner hacked the thing, anything is possible.  That PTO light coming on usually means that the PTO lever is on or the switch has a problem.  The voltage at the starter sounds like a bad ground.  You need to download the demystification guide and then you can see how each system works.  https://www.wheelhorseforum.com/files/file/10-demystification-guide-1985-2001-492-4509pdf/

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gwest_ca-(File Mod)    11,102

gwest_ca
Posted

If the 500+ pages scares you

Garry

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953 nut    55,837

953 nut
Posted

1443536233_1electrical.jpg.bda1337697becff1551a4feeae1fb172.jpg

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r1jakecfd    51

r1jakecfd
Posted

Hi Guys,

Sorry for the delay in responding. Was working a 24 hr. shift and a bit busy with the storm. I tested the starter relay this am and it’s junk so I’m picking one up later. Will update. I’m sure, given my luck and leaving the key on for a couple of hours, the ignition coil is junk. The primary had a good reading but the secondary is open so I’m pretty sure it’s trash. Already ordered a new coil to have on hand. I’ll update with the outcome.

Thanks to all for your input!

John

Essex, MA

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