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Mannn i hate my carrr! jk #667819 04/12/10 03:04 AM 04/12/10 03:04 AM
Joined: Jul 2008 Posts: 580 Detroit,Michigan USA! E erick72 OP mopar
erick72 OP mopar E Joined: Jul 2008 Posts: 580 Detroit,Michigan USA!	well i been meesing with my electrical gremlin lately and ive gotten power to my ballast. in the mid elevens for power.but my coil has only 2.8 what would cause this?

Re: Mannn i hate my carrr! jk [Re: erick72] #667820 04/12/10 08:49 AM 04/12/10 08:49 AM
Joined: Mar 2008 Posts: 5,746 Ontario, Canada Dodgem master
Dodgem master Joined: Mar 2008 Posts: 5,746 Ontario, Canada	If you have 11's coming out of the ballast it should still be 11's when it gets to the coil. I would assume the wire ( ballast to coil) is broken and or cooked. It is 37 years old run a test wire straight from the ballast to the + on the coil minimum 12 Last edited by Dodgem; 04/12/10 08:50 AM.

Re: Mannn i hate my carrr! jk [Re: Dodgem] #667821 04/13/10 02:48 AM 04/13/10 02:48 AM
Joined: Aug 2007 Posts: 902 Seattle, WA R rss super stock
rss super stock R Joined: Aug 2007 Posts: 902 Seattle, WA	Quote: If you have 11's coming out of the ballast it should still be 11's when it gets to the coil. He said he's got 11s to the ballast resistor, not coming out of it. Voltage coming out of resistor should be lower since it is after all going through a resistor. Check out this thread https://board.moparts.org/ubbthreads/show...rue#Post5237155

Re: Mannn i hate my carrr! jk [Re: erick72] #667822 04/13/10 10:14 AM 04/13/10 10:14 AM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	mid 11 volts to the Ballast/2.8 @coil as said if the wire/connections from the ballast "out" downstream to the coil positive are good then the ballast is bad/dropping the voltage too much but I've got a feeling that isn't the case live every 24 hour block of time like it's your last day on earth

Re: Mannn i hate my carrr! jk [Re: RapidRobert] #667823 04/13/10 12:05 PM 04/13/10 12:05 PM
Joined: Aug 2007 Posts: 902 Seattle, WA R rss super stock
rss super stock R Joined: Aug 2007 Posts: 902 Seattle, WA	Quote: mid 11 volts to the Ballast/2.8 @coil as said if the wire/connections from the ballast "out" downstream to the coil positive are good then the ballast is bad/dropping the voltage too much but I've got a feeling that isn't the case ?????? Could you please clarify in English?

Re: Mannn i hate my carrr! jk [Re: rss] #667824 04/13/10 12:27 PM 04/13/10 12:27 PM
Joined: Aug 2003 Posts: 4,481 Mesa, AZ P Pat_Whalen super gas
Pat_Whalen super gas P Joined: Aug 2003 Posts: 4,481 Mesa, AZ	Quote: Quote: mid 11 volts to the Ballast/2.8 @coil as said if the wire/connections from the ballast "out" downstream to the coil positive are good then the ballast is bad/dropping the voltage too much but I've got a feeling that isn't the case ?????? Could you please clarify in English? Mid 11 volts to the Ballast/2.8 at the coil. As said, if the wire/connections from the ballast "out" downstream to the coil positive are good, then the ballast is bad/dropping the voltage too much. I've got a feeling that isn't the case.

Re: Mannn i hate my carrr! jk [Re: Pat_Whalen] #667825 04/13/10 12:34 PM 04/13/10 12:34 PM
Joined: Aug 2003 Posts: 4,481 Mesa, AZ P Pat_Whalen super gas
Pat_Whalen super gas P Joined: Aug 2003 Posts: 4,481 Mesa, AZ	If you've got a DVOM (digital volt ohm meter), you can pull both connections from the ballast resistor and meter it for resistance. Let us know what you've got. 11v at the front of the ballast, but what is your actual battery voltage? They should be the same. If not, you're dropping voltage somewhere. Points or electronic?

Re: Mannn i hate my carrr! jk [Re: Pat_Whalen] #667826 04/13/10 01:29 PM 04/13/10 01:29 PM
Joined: May 2005 Posts: 639 Wilmington, NC donbarnes Not THAT Don Barnes!!
donbarnes Not THAT Don Barnes!! Joined: May 2005 Posts: 639 Wilmington, NC	It may not be related to your problem at all, but when I first put mine back together I had to re-do some wiring under the hood because someone just cut the harness when they sold the original motor out of it. It would fire up, then barely run at all above an idle- Eventually figured out all it was I had the wiring hooked up wrong to the resistor...had them switched

Re: Mannn i hate my carrr! jk [Re: donbarnes] #667827 04/13/10 05:57 PM 04/13/10 05:57 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Eric w your voltmeter w it at a fast idle put the neg lead on the batt neg post and start checking voltages at every point starting at the battery positive post then to the starter relay then stick a thin probe into the bulkhead terminal & check it's voltage then on the other side of the bulkhead "out" to the ballast, check both sides then see what you have at the coil positive and if it's 2.8V it would not be firing. live every 24 hour block of time like it's your last day on earth

Re: Mannn i hate my carrr! jk [Re: rss] #667828 04/13/10 06:10 PM 04/13/10 06:10 PM
Joined: Mar 2008 Posts: 5,746 Ontario, Canada Dodgem master
Dodgem master Joined: Mar 2008 Posts: 5,746 Ontario, Canada	Quote: Quote: If you have 11's coming out of the ballast it should still be 11's when it gets to the coil. He said he's got 11s to the ballast resistor, not coming out of it. Voltage coming out of resistor should be lower since it is after all going through a resistor. Brain fart but 9 volts out after it is resisted down. But on start ballast is by passed to 12V so it should start then quit?? Last edited by Dodgem; 04/13/10 06:11 PM.

Re: Mannn i hate my carrr! jk [Re: Dodgem] #667829 04/13/10 06:13 PM 04/13/10 06:13 PM
Joined: Mar 2008 Posts: 5,746 Ontario, Canada Dodgem master
Dodgem master Joined: Mar 2008 Posts: 5,746 Ontario, Canada	diagram 5923750-E2.JPG (56 downloads)

Re: Mannn i hate my carrr! jk [Re: Dodgem] #667830 04/13/10 08:21 PM 04/13/10 08:21 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: but 9 volts out after it is resisted down. But on start ballast is by passed to 12V so it should start then quit?? and I cant see it being 2.8V on the run side so that makes me think something is being missed live every 24 hour block of time like it's your last day on earth

Re: Mannn i hate my carrr! jk [Re: RapidRobert] #667831 04/13/10 10:05 PM 04/13/10 10:05 PM
Joined: Mar 2006 Posts: 9,843 MI, usa dvw master
dvw master Joined: Mar 2006 Posts: 9,843 MI, usa	It sounds like a faulty connection to me. The best way to test is not using the ohm meter function of the DVOM. Using the ohm meter will not tell you if the circuit fails under higher amperage load. Use the voltmeter. Start with one lead attached to the positive battery post. Use the other lead to probe the positive circuit from the battery through the fire wall bulkhead,then the ignition switch,though the bulkhead again to the ballast resistor then the coil. Since you are probing positive to positive you should get a zero volt reading. Any reading on the meter shows how much was lost at that individual connection. Test the entire ignition feed circuit and I bet you find a individual or multiple connections with high voltage drop. Repair them as needed. Good luck. Doug

Re: Mannn i hate my carrr! jk [Re: dvw] #667832 04/13/10 11:20 PM 04/13/10 11:20 PM
Joined: Aug 2003 Posts: 4,481 Mesa, AZ P Pat_Whalen super gas
Pat_Whalen super gas P Joined: Aug 2003 Posts: 4,481 Mesa, AZ	Quote: It sounds like a faulty connection to me. The best way to test is not using the ohm meter function of the DVOM. Using the ohm meter will not tell you if the circuit fails under higher amperage load. Use the voltmeter. Start with one lead attached to the positive battery post. Use the other lead to probe the positive circuit from the battery through the fire wall bulkhead,then the ignition switch,though the bulkhead again to the ballast resistor then the coil. Since you are probing positive to positive you should get a zero volt reading. Any reading on the meter shows how much was lost at that individual connection. Test the entire ignition feed circuit and I bet you find a individual or multiple connections with high voltage drop. Repair them as needed. Good luck. Doug I was suggesting to check the ballast resistor with the Ohm aspect of the meter.

Re: Mannn i hate my carrr! jk [Re: Pat_Whalen] #667833 04/24/10 12:14 AM 04/24/10 12:14 AM
Joined: Jul 2008 Posts: 580 Detroit,Michigan USA! E erick72 OP mopar
erick72 OP mopar E Joined: Jul 2008 Posts: 580 Detroit,Michigan USA!	sorry for the long reply. i kinda put my car to the side its been making me so mad. and im just trying to get school done. but now i fifnished what i needed to do. so back to the point i think i may try to run a wire from the ballast straight to the coil.

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