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To ballast or not to ballast

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DSA
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To ballast or not to ballast

#1

Post by DSA »

Hi all,

I've got a 76 GL1000 and am in the process of replacing the ignition coils. For the moment, I'm going to stick with the stock points system.
I purchased 5 ohm magna coils: https://4into1.com/set-of-2-magna-dual- ... 50-gl1000/
The question is: Putting a multimeter across either of the stock coils gives me 2.2 ohms of primary resistance. The new Magna coils, however, measure 4.6 ohms. Based on that, can I/should I delete the ballast resistor?
The 4into1 product page makes it sound like I should only delete the resistor if I am also installing electronic ignition, which I am not (yet). But as per my understanding, the point of having the ballast resistor there is to reduce currents and prevent premature burning of the points - isn't that achieved through higher resistance coils anyway?

Thanks in advance!
1976 GL1000 Sulfur Yellow (bought it dead and got it running. Making it perfect will be my eternal project.)
2000 VFR
2003 Blackbird (sold)
1993 CBR1000F (sold)
1998 Valkyrie (sold)
2002 Concours (sold)
1989 EX500 (sold)
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gltriker
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Re: To ballast or not to ballast

#2

Post by gltriker »

DSA wrote: Mon Sep 04, 2023 8:20 pm Hi all,

I've got a 76 GL1000 and am in the process of replacing the ignition coils. For the moment, I'm going to stick with the stock points system.
I purchased 5 ohm magna coils: https://4into1.com/set-of-2-magna-dual- ... 50-gl1000/
The question is: Putting a multimeter across either of the stock coils gives me 2.2 ohms of primary resistance. The new Magna coils, however, measure 4.6 ohms. Based on that, can I/should I delete the ballast resistor?
The 4into1 product page makes it sound like I should only delete the resistor if I am also installing electronic ignition, which I am not (yet). But as per my understanding, the point of having the ballast resistor there is to reduce currents and prevent premature burning of the points - isn't that achieved through higher resistance coils anyway?

Thanks in advance!
Yes. You can .

re: Retaining the stock breaker points system.

We may have already discussed making sure the condenser assembly case is adequately grounded, too, per the Randakk tech tip.
.https://www.randakksblog.com/gl1000-con ... /#more-610 tumb2
Last edited by gltriker on Tue Sep 05, 2023 5:04 pm, edited 1 time in total.
Cliff (74yrs ;) )

Keep your eyes and ears open and you'll learn something new, everyday. tumb2

New users please visit our "Shop Talk" for common tips and help: <---jdvorchak
http://www.ngwclub.com/forum/page/ST
^^^^^^^click up here^^^^^ :oldies

RE: a thorough fuel tank cleaning
"And your carbs will thank you. They no longer live down stream from a sewage plant." -gregforesi tumb2
"Can't see the paint when your looking thru the handlebars..........." -Oldewing ;)
"I'd rather Ride than Shine" -RAT tumb2 Me Too!!

Cliff

'75 GL1000 home built trike; http://www.ngwclub.com/forum/viewtopic.php?f=30&t=39996
October,2017 BOTM :shock: https://nakedgoldwingsclub.com/forum/page/Welcome

previous rides:
1953 H-D Servi-car, naked, 1969-1978 (serial#53G1559 committed to memory!)
1980 CB900 Custom (triked) 1997-2003 .... R.I.P.
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Whiskerfish
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Re: To ballast or not to ballast

#3

Post by Whiskerfish »

you will use a just a little more power with the new setup but it should be well within the capability of the charging system. If you are meticulous you may notice a slightly shorter life of your points but nothing to worry abut. I would not run a ballast with it.
"Agreement is not a requirement for Respect" CDR Michael Smith USN (Ret) 2017
"The book is wrong, this whole Conclusion is Fallacious" River Tam
2008 GL1800 IIIA "TH3DOG"
1975/6/7/8/9 Arthur Fulmer Dressed Road bike
1975 Naked Noisy and Nasty in town bike
and a whole garage full of possibilities!!

Psst. oh and by the way CHANGE YOUR BELTS!!!!
DSA
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Re: To ballast or not to ballast

#4

Post by DSA »

Thanks guys! Yes Cliff, we chatted about the condenser, and that is next up :)
1976 GL1000 Sulfur Yellow (bought it dead and got it running. Making it perfect will be my eternal project.)
2000 VFR
2003 Blackbird (sold)
1993 CBR1000F (sold)
1998 Valkyrie (sold)
2002 Concours (sold)
1989 EX500 (sold)
DSA
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Posts: 114
Joined: Mon Jan 04, 2021 2:14 pm

Re: To ballast or not to ballast

#5

Post by DSA »

Cliff! I remembered I still need to deal with the condenser - after slipping the sheath off the connectors from the condenser, I found that one of them, a yellow wire, was unplugged! Just plugged it back in, turned the bike back on and it feels like it now revs beautifully quickly and smoothly! I am dying to go for a ride, but can't since it's fully dark here and I haven't yet wired in the lights. Going to get up first thing tomorrow and do it.
1976 GL1000 Sulfur Yellow (bought it dead and got it running. Making it perfect will be my eternal project.)
2000 VFR
2003 Blackbird (sold)
1993 CBR1000F (sold)
1998 Valkyrie (sold)
2002 Concours (sold)
1989 EX500 (sold)
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gltriker
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Location: central NY State

Re: To ballast or not to ballast

#6

Post by gltriker »

Perfect, Jai ! tumb2

Details, Details, Details . :-D

Now, it's Your Turn to pass along considerable knowledge/problem solving experience you've gained in this project ;)
Cliff (74yrs ;) )

Keep your eyes and ears open and you'll learn something new, everyday. tumb2

New users please visit our "Shop Talk" for common tips and help: <---jdvorchak
http://www.ngwclub.com/forum/page/ST
^^^^^^^click up here^^^^^ :oldies

RE: a thorough fuel tank cleaning
"And your carbs will thank you. They no longer live down stream from a sewage plant." -gregforesi tumb2
"Can't see the paint when your looking thru the handlebars..........." -Oldewing ;)
"I'd rather Ride than Shine" -RAT tumb2 Me Too!!

Cliff

'75 GL1000 home built trike; http://www.ngwclub.com/forum/viewtopic.php?f=30&t=39996
October,2017 BOTM :shock: https://nakedgoldwingsclub.com/forum/page/Welcome

previous rides:
1953 H-D Servi-car, naked, 1969-1978 (serial#53G1559 committed to memory!)
1980 CB900 Custom (triked) 1997-2003 .... R.I.P.
DSA
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Posts: 114
Joined: Mon Jan 04, 2021 2:14 pm

Re: To ballast or not to ballast

#7

Post by DSA »

That's done it: this bike is now a delight to ride!
I went through the wiring diagram, and the disconnected wire was from the condenser to one of the ignition coils.
Agreed Cliff - this story will only truly be complete if I am able to help out someone else with the same problem. I'll keep an eye out :)
1976 GL1000 Sulfur Yellow (bought it dead and got it running. Making it perfect will be my eternal project.)
2000 VFR
2003 Blackbird (sold)
1993 CBR1000F (sold)
1998 Valkyrie (sold)
2002 Concours (sold)
1989 EX500 (sold)
User avatar
gltriker
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Posts: 4992
Joined: Fri Sep 24, 2010 9:11 pm
Location: central NY State

Re: To ballast or not to ballast

#8

Post by gltriker »

Excellent! Last detail. Answer your question now. Did you retain the ballast resistor in, or totally remove all ballast resistor presence from, this bike's positive side primary ignition wiring circuit?
Last edited by gltriker on Mon Sep 25, 2023 1:36 am, edited 1 time in total.
Cliff (74yrs ;) )

Keep your eyes and ears open and you'll learn something new, everyday. tumb2

New users please visit our "Shop Talk" for common tips and help: <---jdvorchak
http://www.ngwclub.com/forum/page/ST
^^^^^^^click up here^^^^^ :oldies

RE: a thorough fuel tank cleaning
"And your carbs will thank you. They no longer live down stream from a sewage plant." -gregforesi tumb2
"Can't see the paint when your looking thru the handlebars..........." -Oldewing ;)
"I'd rather Ride than Shine" -RAT tumb2 Me Too!!

Cliff

'75 GL1000 home built trike; http://www.ngwclub.com/forum/viewtopic.php?f=30&t=39996
October,2017 BOTM :shock: https://nakedgoldwingsclub.com/forum/page/Welcome

previous rides:
1953 H-D Servi-car, naked, 1969-1978 (serial#53G1559 committed to memory!)
1980 CB900 Custom (triked) 1997-2003 .... R.I.P.
DSA
Chrome Member
Chrome Member
Posts: 114
Joined: Mon Jan 04, 2021 2:14 pm

Re: To ballast or not to ballast

#9

Post by DSA »

I completely removed the ballast resistor. I took the two leads from the bike that used to go to the resistor and connected them to each other.
1976 GL1000 Sulfur Yellow (bought it dead and got it running. Making it perfect will be my eternal project.)
2000 VFR
2003 Blackbird (sold)
1993 CBR1000F (sold)
1998 Valkyrie (sold)
2002 Concours (sold)
1989 EX500 (sold)
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