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12 volt coil, bypass ballast resistor? #476028 09/21/09 08:21 PM 09/21/09 08:21 PM
Joined: Jul 2003 Posts: 163 T timinator OP member
timinator OP member T Joined: Jul 2003 Posts: 163	I installed a 12 volt Accel coil on my 440 Charger. I know the stock system runs 12 volts to the coil for starting, then 6 volts for normal running. My friend said with this coil, I should be running a constant 12 volts at all times. Is this correct and if so, how do I wire this up? Do I just connect the two leads that go through the ballast resistor and bypass it? It also has the MP electronic ignition conversion if this matters.

Re: 12 volt coil, bypass ballast resistor? [Re: timinator] #476029 09/21/09 08:37 PM 09/21/09 08:37 PM
Joined: Feb 2005 Posts: 4,884 Michigan MNobody master
MNobody master Joined: Feb 2005 Posts: 4,884 Michigan	I don't think it's recommended if your still running the stock ECU.

Re: 12 volt coil, bypass ballast resistor? [Re: MNobody] #476030 09/21/09 10:10 PM 09/21/09 10:10 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	which Accel coil?. Yes connecting the 2 leads on the BR will bypass it but most coils require a BR of some particular resistance. live every 24 hour block of time like it's your last day on earth

Re: 12 volt coil, bypass ballast resistor? [Re: RapidRobert] #476031 09/21/09 10:53 PM 09/21/09 10:53 PM
Joined: Jun 2008 Posts: 565 IA L landon1 mopar
landon1 mopar L Joined: Jun 2008 Posts: 565 IA	i run an accel 12 volt coil, but i have an HEI/bosch type distributor that can run off 12 volts without burning up - to bypass, you would just connect the wires together - that's how i had mine hooked-up. '71 Satellite Sebring 440

Re: 12 volt coil, bypass ballast resistor? [Re: landon1] #476032 09/22/09 12:43 AM 09/22/09 12:43 AM
Joined: Feb 2003 Posts: 21,318 Manitoba, Canada DaytonaTurbo Too Many Posts
DaytonaTurbo Too Many Posts Joined: Feb 2003 Posts: 21,318 Manitoba, Canada	I bought an accel coil and ran my stock 70's electronic ignition ballast and burned it up pretty quick. The way I heard it is the ballast is needed unless you have an aftermarket current-limiting ignition system, ie msd, r2r distributors, etc. It's not the voltage that's the issue, it's the current thru the coil terminals.

Re: 12 volt coil, bypass ballast resistor? [Re: DaytonaTurbo] #476033 09/22/09 11:47 AM 09/22/09 11:47 AM
Joined: Jul 2003 Posts: 163 T timinator OP member
timinator OP member T Joined: Jul 2003 Posts: 163	It's the Accel Super Stock 12V universal performance coil (part# 8140). So, shouldn't it be getting 12 volts instead of 6? Again, it's the MP electronic ignition conversion so I don't know if this limits current. I had the same coil on it and it burned out which is why I replaced it. It only had a couple hundred miles on it. Is too low of voltage going to burn it out?

Re: 12 volt coil, bypass ballast resistor? [Re: timinator] #476034 09/22/09 03:42 PM 09/22/09 03:42 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: Is too low of voltage going to burn it out? no, only more voltage than the coils' designed for will kill it after enough time. Less will give you inadequate spark (& potentially a miss) especially under load. live every 24 hour block of time like it's your last day on earth

Re: 12 volt coil, bypass ballast resistor? [Re: RapidRobert] #476035 09/22/09 04:16 PM 09/22/09 04:16 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars top fuel
Dougsmopars top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	I've never used a ballast resistor with an MP distributor and a good aftermarket coil. Never had a problem.

Re: 12 volt coil, bypass ballast resistor? [Re: timinator] #476036 09/22/09 04:35 PM 09/22/09 04:35 PM
Joined: May 2004 Posts: 4,920 Joplin, MO USA Robbins master
Robbins master Joined: May 2004 Posts: 4,920 Joplin, MO USA	Quote: It's the Accel Super Stock 12V universal performance coil (part# 8140). So, shouldn't it be getting 12 volts instead of 6? Again, it's the MP electronic ignition conversion so I don't know if this limits current. I had the same coil on it and it burned out which is why I replaced it. It only had a couple hundred miles on it. Is too low of voltage going to burn it out? This one says for Mopar I was thinking about buying this one. I wonder if it's supposed to use the ballast? Moparlee

Re: 12 volt coil, bypass ballast resistor? [Re: Robbins] #476037 09/22/09 05:48 PM 09/22/09 05:48 PM
Joined: Jul 2003 Posts: 163 T timinator OP member
timinator OP member T Joined: Jul 2003 Posts: 163	I contacted tech support at Accel about the 8140M which is supposed to be for Mopar. Still waiting to hear back.

Re: 12 volt coil, bypass ballast resistor? [Re: timinator] #476038 09/22/09 06:29 PM 09/22/09 06:29 PM
Joined: May 2004 Posts: 4,920 Joplin, MO USA Robbins master
Robbins master Joined: May 2004 Posts: 4,920 Joplin, MO USA	Quote: I contacted tech support at Accel about the 8140M which is supposed to be for Mopar. Still waiting to hear back. I did also by the website, but the last time I tried that I never got anything back. I did call them on the 59300 dizzy and found out it was a billet style. So I'm going to probably run that coil if it used the ballast. Moparlee

Re: 12 volt coil, bypass ballast resistor? [Re: Robbins] #476039 09/23/09 08:24 AM 09/23/09 08:24 AM
Joined: Apr 2005 Posts: 274 Valrico FL 1 1toolguy enthusiast
1toolguy enthusiast 1 Joined: Apr 2005 Posts: 274 Valrico FL	I don't remember the letter designation but the standard "universal" 8140 will give you fits! I know becasue we chased a problem for about a month. The universal 8140 will overheat your ignition module causing it to slowly limit your RPMs (the worst day we had was 1500!)

Re: 12 volt coil, bypass ballast resistor? [Re: 1toolguy] #476040 09/24/09 07:26 PM 09/24/09 07:26 PM
Joined: Jan 2006 Posts: 91 Pacific NW cuda66318 member
cuda66318 member Joined: Jan 2006 Posts: 91 Pacific NW	I've run the 8410 on our load bank, just thru it in the trash can not even close to a quality piece....note the label made in ???? come on Guess for me. Just to answer your question it's designed to run at 6V through the ballast any more than that it will overheat and drop voltage, the 8410 is a points coil and not recommended for Electronic. get the right stuff and quit wasting you money on all this witches brew http://www.4secondsflat.com/Ignition.html

Re: 12 volt coil, bypass ballast resistor? [Re: cuda66318] #476041 10/01/09 10:41 PM 10/01/09 10:41 PM
Joined: May 2004 Posts: 4,920 Joplin, MO USA Robbins master
Robbins master Joined: May 2004 Posts: 4,920 Joplin, MO USA	I just put mine on tonight. So far so good. It's the 8140M (mopar) one. If it makes a difference or not. I'll post if it goes down hill from here. Moparlee

Re: 12 volt coil, bypass ballast resistor? [Re: Robbins] #476042 10/02/09 04:35 PM 10/02/09 04:35 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars top fuel
Dougsmopars top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	The old Accel coils were good. But now all imports. Lot of people having problems. I use an MSD Blaster coil. MP electronic dizzy with orange box. Blue HP mopar voltage regulator no ballast resistor. Never had a problem. Same set up on my Road Runner 4 years. Never skipped a beat.

Re: 12 volt coil, bypass ballast resistor? [Re: Dougsmopars] #476043 10/02/09 10:24 PM 10/02/09 10:24 PM
Joined: May 2004 Posts: 4,920 Joplin, MO USA Robbins master
Robbins master Joined: May 2004 Posts: 4,920 Joplin, MO USA	I'm hoping that I won't have a problem....it's made in china so we'll see. If it don't work I definitely post so more people will see what they are (Accel) is selling these days. By the way when I was on the phone with them(Accel) they basically was saying that they build Mopar Performance's distributers for them. Last edited by Robbins; 10/02/09 10:26 PM. Moparlee

Re: 12 volt coil, bypass ballast resistor? [Re: Robbins] #476044 10/02/09 10:25 PM 10/02/09 10:25 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars top fuel
Dougsmopars top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	Even the MSD coil is imported. Nothing is made here anymore.

Re: 12 volt coil, bypass ballast resistor? [Re: Dougsmopars] #476045 10/02/09 10:29 PM 10/02/09 10:29 PM
Joined: May 2004 Posts: 4,920 Joplin, MO USA Robbins master
Robbins master Joined: May 2004 Posts: 4,920 Joplin, MO USA	That doesn't surprise me. I have a Mopar Performance blaster two and 6al(MSD stuff all in black). It works flawlessly. I'll be getting the Accel billet(ACC-59300) dizzy here in the next week or so. I'm hoping it's going to be worth a poop. Moparlee

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