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Manage My Life

Craftsman ZT7000 (model 107.27774) Mower Electrical Schematic

by Manage My Life Last activity date:
May 13th, 2013

Following winter storage I couldn't get my Craftsman ZT7000 to start. Bought a new battery - still no luck. Ran continuity checks and found 12v present at starter terminal, then determined starter was frozen. Replaced starter and engine ran fine. Only wires disconnected during process were at the battery and at at starter post.
Now my mower starts and runs fine until I move the drive handles inboard, either one at a time or both simultaneously, and then the engines dies. The seat switch checks out fine. Have used electronic switch cleaner on all switches and plugs without correcting problem.
If I move the drive levers inboard fast enough I can get the mower to move a short distance forward or aft before the engine winds done. With the drive levers outboard I can engage the mower blades briefly before the engine quits.
I haven't been able to find any shorts, and the circuit breaker continuity checks okay.
Could it be one or more of the four DP NO switches located at the bottom of the drive levers which are closed with the drive levers in the start position, and then open when I bring the levers inboard?
I look forward to your answer (solution I hope).
For my future reference, is there an electrical schematic for the ZT7000 (Model 107.27774)?

Craftsman , Lawn Mowers
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Answers (5)
Manage My Life
Jimmy K,

If you are still around, would you send me the schematic? I have the 1727774 and have an interlock problem.

by Manage My Life
May 13th, 2013
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Manage My Life
The schematic above is correct for you mower also. I am sending another copy. Sometimes the image is shown about 25% scale and you have to right click on it to enlarge it.
by Manage My Life
March 20th, 2012
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Manage My Life
hi, i have a craftsman ztr 7000 mod. 17277720 is it the same diagram....if so can you send it to me...the one that you posted is to small to see on my computer...also do you test the pto switch ...i have 8 prongs power to three connectors ... plug is three and three and two ...row one power to 1 and three.. pull on then power to two and three...same middle three ..and for row with two prongs nothing with switch on or off...please help.....thank`s...tom
by Manage My Life
March 17th, 2012
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Manage My Life
I would test the safety switch with an ohm meter to be sure they are opening and closing correctly. I suspect one of the switches has gotten out of position or failed.

I am sending you an image of the wiring schematic for your mower. I hope this helps.
Answered in 24 hours
by Manage My Life
April 12th, 2011
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Manage My Life
Wiring diagrams are very useful especially in your type of situation. Below I have attached the link to your wiring diagram from a previous post. The model number are the same so this is your diagram. I hope this helps!
Answered in 41 minutes
by Manage My Life
April 11th, 2011
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