Author Topic: ballast resistor  (Read 1700 times)

Offline john h

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ballast resistor
« on: June 12, 2013 - 03:54:55 PM »
What is the difference between a 2 prong and a 4 prong?  I am going to replace it for trouble shooting purposes and see I can get a 4 prong one like the car used to have from the local parts store.  The crate motor came with a 2 prong one so I am using that right now.

Thanks.
John
John
73 Cuda
360 Crate motor
FiTech Fuel injection
727 Trans (wishing it had Over Drive)




Offline burdar

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Re: ballast resistor
« Reply #1 on: June 12, 2013 - 04:45:03 PM »
Are you using a 4 pin or a 5 pin ECU?  The four terminal ballast is used with the 5 pin ECU.  You can use the four terminal ballast with a 4 pin ECU but not the other way around.

Offline john h

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Re: ballast resistor
« Reply #2 on: June 12, 2013 - 06:25:23 PM »
I'm not sure it's the orange control box.
John
73 Cuda
360 Crate motor
FiTech Fuel injection
727 Trans (wishing it had Over Drive)

Offline burdar

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Re: ballast resistor
« Reply #3 on: June 12, 2013 - 09:22:53 PM »
That would be a 4 pin.  Pull the connector off and count the contacts.  You only need the two prong ballast.  The orange boxes have been failing a lot recently.  I wouldn't put one on my car.  You're just asking for trouble. 

Offline BIGSHCLUNK

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Re: ballast resistor
« Reply #4 on: June 12, 2013 - 10:59:52 PM »
:dunno:  had my orange box  gotta be 8 years by now and was on her when I got her.........  :dunno:
70 Chally R/T Convertible- Yes she's really got a HEMI, no she's not a Charger!
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Offline burdar

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Re: ballast resistor
« Reply #5 on: June 12, 2013 - 11:13:00 PM »
They changed venders and the quality has gone way down. 

Offline BIGSHCLUNK

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Re: ballast resistor
« Reply #6 on: June 12, 2013 - 11:25:28 PM »
They changed venders and the quality has gone way down.


you mean for once I'm ahead of the curve...??  :clueless:    :woohoo:  :woo:  :roflsmiley:
70 Chally R/T Convertible- Yes she's really got a HEMI, no she's not a Charger!
                                             [o o o o]
                                                  OO
                                                  OO 
                                              [o o o o]
https://www.aanddtruckautoparts.com/
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Offline 72 cuda

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Re: ballast resistor
« Reply #7 on: June 22, 2013 - 07:50:15 AM »
Too my foggy recollection,
A 4 prong allows you to start on 12 volts (more fire).
Then switches over to 10 volts in order not to burn the points as often or as hard.
 :rebel:
Mark

Offline Chryco Psycho

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Re: ballast resistor
« Reply #8 on: June 24, 2013 - 01:09:50 AM »
Too my foggy recollection,
A 4 prong allows you to start on 12 volts (more fire).
Then switches over to 10 volts in order not to burn the points as often or as hard.
 :rebel:
Mark
both do that , they drop voltage to the coil once it is running , the 4 pin uses one side for the coil & the other side for the ECU , if you have a 4 pin ECU the resistor is inside the unit so ti only requires a 2 pin ballast

Challenger - You`ll wish You Hadn`t

Offline black68gtx

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Re: ballast resistor
« Reply #9 on: June 24, 2013 - 01:20:33 PM »
New to the forum (but a long time Challenger's owner).

Just recently I have been having issues with the ECU, Ballast etc. I found a 5 pin EUC laying around and replaced my orange box with it. The Challenger started great! I saw that the 5 pin came with a 4 prong ballast. I didn't give it much thought until now. I'm still using the 2 prong ballast (only 2 days).

What would be a good replacement for the Orange Box?

Offline Chryco Psycho

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Re: ballast resistor
« Reply #10 on: June 24, 2013 - 03:35:35 PM »
Rev-N-Ator
 good electronics + a rev limiter

Challenger - You`ll wish You Hadn`t