Huston I have a problem....Coils


Information and questions on GL1200 Goldwings (1984-1987)
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twocams
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Joined: Tue Sep 29, 2015 11:25 am
Location: Grants Pass, Oregon
Motorcycle: 1985 GL1200 Aspencade, 2003 K1200GT BMW, 1969 R69S BMW
Sold : 84 V65 Magna, 82 Moto Guzzi, XS 1100 Yamaha,84 Wing Int., 80 650 Special, Only new bike 82 XV750 Virago (Guam),Honda 250,84 R100RT BMW,87 K100 LT BMW,93 K1100 LT BMW, 91 535 Virago, Honda 50

Huston I have a problem....Coils

Postby twocams » Wed May 11, 2016 11:19 pm



I have been trying to figure out why plug wires 2 & 4 are not firing right. So I took both new coils out to check the resistance. Everything checks out according to da book. Except the secondary coil resistance on the right coil for plug 1 & 2 there is zero resistance. Should be 19 + - 2.7K ohms. Checking with plug wires attached ohmmeter on wire ends. The left coil fires # 3 & 4 and resistance of 15 + ohms. Which is in the ballpark. So 2 questions:

1. Is coil that has no resistance bad? And needs to be replaced alto it fires # 1 plug fine but not #2 plug very well.

2. Will this bad coil affect the firing of the other coil # 4 plug wire?
thanks
twocams



User avatar
twocams
Posts: 554
Joined: Tue Sep 29, 2015 11:25 am
Location: Grants Pass, Oregon
Motorcycle: 1985 GL1200 Aspencade, 2003 K1200GT BMW, 1969 R69S BMW
Sold : 84 V65 Magna, 82 Moto Guzzi, XS 1100 Yamaha,84 Wing Int., 80 650 Special, Only new bike 82 XV750 Virago (Guam),Honda 250,84 R100RT BMW,87 K100 LT BMW,93 K1100 LT BMW, 91 535 Virago, Honda 50

Re: Huston I have a problem....Coils

Postby twocams » Wed May 11, 2016 11:34 pm

I forgot da picture.



twocams

Mikeanthony
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Joined: Sat May 14, 2016 1:36 pm
Location: North Carolina
Motorcycle: 1986 Goldwing Interstate

Re: Huston I have a problem....Coils

Postby Mikeanthony » Sun May 15, 2016 9:42 am

Are you able to switch the trigger wires to each coil. If you switch the input and the coil is bad it should effect the two other plugs, that is my two cents worth and my name is not Huston. Good Luck.

User avatar
twocams
Posts: 554
Joined: Tue Sep 29, 2015 11:25 am
Location: Grants Pass, Oregon
Motorcycle: 1985 GL1200 Aspencade, 2003 K1200GT BMW, 1969 R69S BMW
Sold : 84 V65 Magna, 82 Moto Guzzi, XS 1100 Yamaha,84 Wing Int., 80 650 Special, Only new bike 82 XV750 Virago (Guam),Honda 250,84 R100RT BMW,87 K100 LT BMW,93 K1100 LT BMW, 91 535 Virago, Honda 50

Re: Huston I have a problem....Coils

Postby twocams » Sun May 15, 2016 1:15 pm

Thanks not Huston, Im done playing with it for now. "I Just wanna ride" ( Wild Hogs). :lol:




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