Bench testing a coil, Stihl FS 55R

   / Bench testing a coil, Stihl FS 55R #1  

Paddy

Veteran Member
Joined
Sep 30, 2004
Messages
1,490
Location
Bloomington, IN
Tractor
Kubota, G5200, KAMA 454
Can you bench test a weed wacker coil? I first removed the kill switch. The switch shorted the spade terminal to the iron core. Replaced the plug as well. Even held the spark plug while pulling!

What should the resistance be from;

spark plug wire to, terminal?
spark plug wire to iron core?
terminal to iron core?

Some say you can but my local repair shop said it takes some special equipment.

Patrick T
 

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