2000 Workhorse st350

1thurston · 10-28-2019, 07:42 PM

There are new wires with the new coil and new plugs

trig123 · 10-28-2019, 08:16 PM

Quote:

Originally Posted by CP241

again, have you replaced the spark plug wires? If you have a bad wire or spark plug cap, you can replace as many coils as you want and it's not going to make a difference.

Your spark plug wires are 20 years old now...

CP241, I have three OEM coils and all have spark plug wires on them. Maybe he did change them ? I just noticed his last post and indeed he did change them

Goob · 10-28-2019, 08:38 PM

The coils that I have used had the wires already on them!

1thurston · 10-28-2019, 09:37 PM

Take a look at this explanation---- Google-- copy and paste complete line below'
Powerdynamo, twin ignition coil fires only one side?

CP241 · 10-28-2019, 11:22 PM

Quote:

Originally Posted by 1thurston

There are new wires with the new coil and new plugs

Ok sorry, I wasnt sure if the new coils came with wires or not. Are they OEM coils?

Maybe a long shot, and I dont know if that would donit or not, but maybe try running a ground strap directly to the ignitor body. I would think a bad ground would affect noth cylinders and not just 1, but it's easy enough that it's worth a shot.

Out of curiosity, because I dont recall reading it, what spark plugs are you running?

1thurston · 10-29-2019, 06:23 PM

NGK plugs
There are no OEM coils available I was told by 2 dealers
I did wire wheel all grounds and new bolts. I will double check though.

Goob · 11-16-2019, 01:21 PM

I replaced the CDI Box for the 3rd time and reset the gap on the pulse pickup to .015 and it seemed to solve our problem maybe this could help you ,I know some aftermarket ignition parts do not work well !

1thurston · 11-16-2019, 10:37 PM

I just took my pickup coil off and do not know what it should ohm out at. This one is 232 ohms. There is no adjustment on my pickup coil.
I recently put in 2 new Chinese igniter coils both were junk found a used oem igniter got back to where I was firing on one side.

Maybe it's the pickup coil? Do you know what the ohm range should be on good pick-up coil?
thanks

trig123 · 11-17-2019, 12:01 AM

http://www.buggiesgonewild.com/gas-e...-question.html
Go to post #10. This pulser coil came off an engine that was running fine.
Show hows to set it also on page 10

1thurston · 11-29-2019, 11:13 AM

Thank Everyone!
Checked gap on pick-up coil still no difference. (Tried .015 & .020) Still just getting spark on long wire off coil (it will fire either plug) and getting 12 volt to coil. Checked starter generator while turning over 14.5 volts. Put on used igniter box OEM no change. Grounds are cleaned and new added.
Does anyone know what automotive coil would work this? The new coil has been tested ok but maybe not under load?

10-28-2019, 07:42 PM	#11
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21	Re: 2000 Workhorse st350 There are new wires with the new coil and new plugs
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21

10-28-2019, 08:38 PM	#13
Goob Not Yet Wild Join Date: Oct 2019 Posts: 12	Re: 2000 Workhorse st350 The coils that I have used had the wires already on them!
Goob Not Yet Wild Join Date: Oct 2019 Posts: 12

10-28-2019, 09:37 PM	#14
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21	Re: 2000 Workhorse st350 Take a look at this explanation---- Google-- copy and paste complete line below' Powerdynamo, twin ignition coil fires only one side?
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21

10-29-2019, 06:23 PM	#16
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21	Re: 2000 Workhorse st350 NGK plugs There are no OEM coils available I was told by 2 dealers I did wire wheel all grounds and new bolts. I will double check though.
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21

11-16-2019, 01:21 PM	#17
Goob Not Yet Wild Join Date: Oct 2019 Posts: 12	Re: 2000 Workhorse st350 I replaced the CDI Box for the 3rd time and reset the gap on the pulse pickup to .015 and it seemed to solve our problem maybe this could help you ,I know some aftermarket ignition parts do not work well !
Goob Not Yet Wild Join Date: Oct 2019 Posts: 12

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11-16-2019, 10:37 PM	#18
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21	Re: 2000 Workhorse st350 I just took my pickup coil off and do not know what it should ohm out at. This one is 232 ohms. There is no adjustment on my pickup coil. I recently put in 2 new Chinese igniter coils both were junk found a used oem igniter got back to where I was firing on one side. Maybe it's the pickup coil? Do you know what the ohm range should be on good pick-up coil? thanks
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21

11-17-2019, 12:01 AM	#19
trig123 Vintage tech Join Date: Sep 2009 Location: South Posts: 3,215	Re: 2000 Workhorse st350 http://www.buggiesgonewild.com/gas-e...-question.html Go to post #10. This pulser coil came off an engine that was running fine. Show hows to set it also on page 10

11-29-2019, 11:13 AM	#20
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21	Re: 2000 Workhorse st350 Thank Everyone! Checked gap on pick-up coil still no difference. (Tried .015 & .020) Still just getting spark on long wire off coil (it will fire either plug) and getting 12 volt to coil. Checked starter generator while turning over 14.5 volts. Put on used igniter box OEM no change. Grounds are cleaned and new added. Does anyone know what automotive coil would work this? The new coil has been tested ok but maybe not under load?
1thurston Not Yet Wild Join Date: Oct 2019 Posts: 21

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