Model #917270670 CRAFTSMAN Lawn, Tractor

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Q:

compatability 917270670 Craftsman Lawn tractor

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how to install interlock switch 917270670 Craftsman Lawn tractor

Q:

trouble shooting model 917.270670 will not start 917.270670

A:

Thanks for the inquiry and for being a valued member.

I would check the fuse again to start with. If the fuse has blown again, there could be an open wire causing it to short to ground and blow the fuse. If the battery was hooked up backwards, it can cause an issue with the charging system and cause the fuse to blow. 

If the fuse looks okay, Turn the meter to check dc volts, and then hold the black lead to the black negative battery terminal for all of the voltage checks. Place the red lead on the positive terminal of the battery. The reading should be 12 volts. If you have a 12 volt reading, move the red lead to the B terminal of the ignition switch or the red wire. Your reading should be 12 volts. If you have 12 volts, have someone sit on the tractor and hold the brake/clutch pedal while turning the key for the rest of the checks. While they have the key turned to the start position, move the red lead to the white wire on the clutch/brake safety switch. The reading should always be 12 volts. Then move to the attachment PTO safety switch. If you lose the 12 volts, the problem is between the last check you had the voltage and where you lost the voltage. If you have 12 volts all the way to the white wire on the solenoid, the solenoid or the starter is defective.

 

To determine starter or solenoid, short the two large posts on the solenoid together with a screwdriver. There should be a spark it is normal. Once shorted the starter should run. If the key is turned to Start, the tractor should fire up.

This very likely could be: a defective battery, the fuse, a shorted safety switch, or a wire that’s shorting or grounding out. 

I hope this helps and thanks for using SearsPartsDirect.com. We appreciate your business.   

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Jeff Wallace Sr -
Sears Technician
August 11, 2015

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