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Re: The famous BALLAST RESISTOR!!! [Re: topside] #3162690
07/24/23 11:48 AM 07/24/23 11:48 AM
Joined: Jan 2003
Posts: 15,477
Omaha Ne
T
TJP Offline
I Live Here
TJP  Offline
I Live Here
T

Joined: Jan 2003
Posts: 15,477
Omaha Ne
iI've had the best luck with MSD blaster II coils. I also have a new one in the box, PM if interested wink

www.tandmautomotive-omaha.com
Re: The famous BALLAST RESISTOR!!! [Re: Sinitro] #3162847
07/24/23 05:33 PM 07/24/23 05:33 PM
Joined: Aug 2007
Posts: 6,098
Valencia, España
NachoRT74 Offline
master
NachoRT74  Offline
master

Joined: Aug 2007
Posts: 6,098
Valencia, España
Originally Posted by Sinitro
In the START position, U should have 12V on both ballast resistor terminals.
In the RUN position, U should have 12V on the ballast resistor input terminal and 8-9V on the output terminal.

Just my $0.02... wink


50% correct.

In START you get the voltage reading reversed to the RUN position. Hence why the brake light (and oil if present) dims out while cranking. They are feeded from the RUN circuit throught the ballast.

With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: The famous BALLAST RESISTOR!!! [Re: NachoRT74] #3162849
07/24/23 05:36 PM 07/24/23 05:36 PM
Joined: May 2019
Posts: 6,306
nowhere
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Sniper Offline
master
Sniper  Offline
master
S

Joined: May 2019
Posts: 6,306
nowhere
Originally Posted by NachoRT74
Originally Posted by Sinitro
In the START position, U should have 12V on both ballast resistor terminals.
In the RUN position, U should have 12V on the ballast resistor input terminal and 8-9V on the output terminal.

Just my $0.02... wink


50% correct.

In START you get the voltage reading reversed to the RUN position. Hence why the brake light (and oil if present) dims out while cranking. They (brake and oil light) are feeded from the RUN circuit throught the ballast.


Clarified that. Though Sinitro is correct in respect to voltage going to the coil.
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