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Apr 9th, 2007, 07:32 PM
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#1 | | Rookie 10+ posts
Join Date: Jun 2005 Location: Villa Rica, Ga
Posts: 20 Model: '67 FLH/ '92 FLSTC Interests: Bikes, Hot Rods Occupation: Electrical Technition
| Weak Spark
I have a 1992 Heritage, suddenly my spark is very weak, coil ohms out OK, Ignition module seems OK, What else can it be?
__________________ [FONT="Comic Sans MS"]Chuck[/FONT][COLOR="Blue"][/COLOR]  | 
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Apr 9th, 2007, 07:38 PM
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#2 | | Has posted 500+
Join Date: Dec 2006 Location: Stanton, NJ
Posts: 1,378 Model: 04 Dyna WG (with a 240 rear tire) Interests: Harleys, drag racing, family, fishing, my rottweilers, the UFC Occupation: Carpenter/Builder
| Not sure myself, someone will chime in but what do the wires look like?? Both cylinders weak? | |
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Apr 9th, 2007, 07:48 PM
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#3 | | Rookie 10+ posts
Join Date: Jun 2005 Location: Villa Rica, Ga
Posts: 20 Model: '67 FLH/ '92 FLSTC Interests: Bikes, Hot Rods Occupation: Electrical Technition
| Weak Spark
I suspect the vacum switch above carb...not really sure about what it does??
__________________ [FONT="Comic Sans MS"]Chuck[/FONT][COLOR="Blue"][/COLOR] | |
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Apr 10th, 2007, 10:36 AM
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#4 | | Moderator Has posted 500+
Join Date: Jul 2005
Posts: 7,377
| hey chuck....welcome....glad to have ya here!!!! the first thing i would do is look in your manual....it will give a rundown on what to check for an ignition problem...you will need a voltmeter and test light. that manual is the best tool in the box. if after going through the steps outlined in the "book"...ya still have a problem ask away. there are so many things that could cause your trouble, it would take days to figure them out. but if ya go step by step and still have the problem, it will be a lot easier to give you help.....
have fun, and let us know what ya find???
chuck
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Apr 12th, 2007, 02:47 PM
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#5 | | Rookie 10+ posts
Join Date: Jun 2005 Location: Villa Rica, Ga
Posts: 20 Model: '67 FLH/ '92 FLSTC Interests: Bikes, Hot Rods Occupation: Electrical Technition
| weak spark
Hey thanks for the replies...I replaced the plugs and it's back to running again. They didn't look too fouled, but must have been enough. The coil was in the low range of being OK according to the manual so I'll probably change it (It's 15 years old anyhow), wires too.
__________________ [FONT="Comic Sans MS"]Chuck[/FONT][COLOR="Blue"][/COLOR] | |
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