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Testing coils, what sort of resistances should I be getting?

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Endless Nameless
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Joined: 20 Nov 2007
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PostPosted: 16:07 - 16 Mar 2009    Post subject: Testing coils, what sort of resistances should I be getting? Reply with quote

Just fitted new points and condensers to my GS. Wasn't running before, still isn't now.... before changing the points/ condensers I didn't think to check that both points were working, but now only one is- no spark from the other when it's closed. No idea if malfunctioning coils would affect this, I suspected not, but anyway.

Unplugged the connections and gave both coils a poke with a multimeter. One had very little resistance- 4-5 Ohms, if I'm reading the meter right, the other was much much higher (and I assumed therefore buggered). However, plugging the low resistance coil in and leaving the high resistance one unplugged meant that neither of the points sparked, plugging the high resistance one back in meant it worked... but everywhere I've looked on the net suggests that resistance (between the two pins on the back) should be around 4-5 Ohms.... frankly, I'm bemused! Do I have two problems here, one stopping the point from sparking when shorted and one affecting the coil, or is it likely to be one thing?

I hates electrics!

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A2 passed 22/07/08; restriction up 22/07/10 (just so I don't forget)
'79 Suzuki GS550E. Yes, that's a GS550, not a GS500.
Supersports "In a video editing competition I'd kick your sorry ass"
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Endless Nameless
World Chat Champion



Joined: 20 Nov 2007
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PostPosted: 17:29 - 16 Mar 2009    Post subject: Reply with quote

Currently playing swapabout with various leads, see if I can trace the fault...
____________________
A2 passed 22/07/08; restriction up 22/07/10 (just so I don't forget)
'79 Suzuki GS550E. Yes, that's a GS550, not a GS500.
Supersports "In a video editing competition I'd kick your sorry ass"
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View user's profile Send private message Send e-mail You must be logged in to rate posts
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