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Hot ballast resistor #1747722
02/06/15 03:38 AM
02/06/15 03:38 AM
Joined: Apr 2008
Posts: 273
FL
74-440Charger Offline OP
enthusiast
74-440Charger  Offline OP
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Posts: 273
FL
Ballast resistor gets hot...proven hot enough to melt skin. What should this tell me (besides not to touch it)? Putting Electronic ignition in a 65 coronet, chrome ignition box, ballast resistor is 1.25 ohms. Thanks

Re: Hot ballast resistor [Re: 74-440Charger] #1747723
02/06/15 03:46 AM
02/06/15 03:46 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

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Posts: 52,972
Romeo MI
Quote:

Ballast resistor gets hot...proven hot enough to melt skin. What should this tell me (besides not to touch it)? Putting Electronic ignition in a 65 coronet, chrome ignition box, ballast resistor is 1.25 ohms. Thanks




Ballast resistors(the Mopar ones) will burn you..
they get real hot

Re: Hot ballast resistor [Re: MR_P_BODY] #1747724
02/06/15 03:49 AM
02/06/15 03:49 AM
Joined: Apr 2008
Posts: 273
FL
74-440Charger Offline OP
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Thanks, guess I just never got ahold of one with power applied.

Re: Hot ballast resistor [Re: 74-440Charger] #1747725
02/06/15 03:52 AM
02/06/15 03:52 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
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Posts: 52,972
Romeo MI
Quote:

Thanks, guess I just never got ahold of one with power applied.




Thats something you dont want to do... thats why they
are made in porcine

Re: Hot ballast resistor [Re: MR_P_BODY] #1747726
02/06/15 03:59 AM
02/06/15 03:59 AM
Joined: Apr 2008
Posts: 273
FL
74-440Charger Offline OP
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Won't let it happen again

Re: Hot ballast resistor [Re: 74-440Charger] #1747727
02/06/15 04:03 AM
02/06/15 04:03 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
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Posts: 52,972
Romeo MI
Quote:

Won't let it happen again




LOL... hope it wasnt tooo bad... but I've been there

Re: Hot ballast resistor [Re: MR_P_BODY] #1747728
02/06/15 04:08 AM
02/06/15 04:08 AM
Joined: Apr 2008
Posts: 273
FL
74-440Charger Offline OP
enthusiast
74-440Charger  Offline OP
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Posts: 273
FL
Hanging on to a cold beer, all is good

Re: Hot ballast resistor [Re: 74-440Charger] #1747729
02/06/15 11:23 AM
02/06/15 11:23 AM
Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
G
Guitar Jones Offline
Paddle faster! I hear banjo music!
Guitar Jones  Offline
Paddle faster! I hear banjo music!
G

Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
Quote:

Won't let it happen again




Also do not touch the positive primary terminal of an MSD Blaster 2 coil with an AL7 box with a wrench while grounding yourself to the vehicle while the engine is running. As I laid on the floor twitching I thought it was the last thing I would ever do before dying.


Fortunately I lived to nearly do the same thing to myself with a camera flash capacitor 2 weeks later.


"Follow me the wise man said, but he walked behind"


'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon!
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
Re: Hot ballast resistor [Re: Guitar Jones] #1747730
02/06/15 02:17 PM
02/06/15 02:17 PM
Joined: Nov 2004
Posts: 7,274
s.w.fl
B
bonefish Offline
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s.w.fl
Quote:

Quote:

Won't let it happen again




Also do not touch the positive primary terminal of an MSD Blaster 2 coil with an AL7 box with a wrench while grounding yourself to the vehicle while the engine is running. As I laid on the floor twitching I thought it was the last thing I would ever do before dying.


Fortunately I lived to nearly do the same thing to myself with a camera flash capacitor 2 weeks later.


Amen!!

Re: Hot ballast resistor [Re: bonefish] #1747731
02/06/15 03:10 PM
02/06/15 03:10 PM
Joined: Sep 2004
Posts: 6,906
IL, Aurora
A
ademon Offline
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Joined: Sep 2004
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IL, Aurora
before i bolt it to the fire wall i shim it out 1/8" at least to get some air movement behind it.

Re: Hot ballast resistor [Re: ademon] #1747732
02/06/15 03:53 PM
02/06/15 03:53 PM
Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
tubtar Offline
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Before I mount one , I come to my senses , buy an MSD and throw the resistor in the trash.

Last edited by tubtar; 02/06/15 03:53 PM.
Re: Hot ballast resistor [Re: tubtar] #1747733
02/06/15 04:24 PM
02/06/15 04:24 PM
Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
G
Guitar Jones Offline
Paddle faster! I hear banjo music!
Guitar Jones  Offline
Paddle faster! I hear banjo music!
G

Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
Quote:

Before I mount one , I come to my senses , buy an MSD and throw the resistor in the trash.




See my MSD warning above.


"Follow me the wise man said, but he walked behind"


'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon!
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
Re: Hot ballast resistor [Re: Guitar Jones] #1747734
02/06/15 08:21 PM
02/06/15 08:21 PM
Joined: Oct 2011
Posts: 515
geezer acres rest home
D
dakotawilly Offline
mopar
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Joined: Oct 2011
Posts: 515
geezer acres rest home
that will def learn you!.resistors get real hot and capacitors will knock you down.us old geezers remember the days of charging up distributor condensors and handing them to somebody....


SFI 25.5 depends,no leak,even at 213 mph....
Re: Hot ballast resistor [Re: tubtar] #1747735
02/06/15 08:52 PM
02/06/15 08:52 PM
Joined: Jan 2003
Posts: 32,394
Q
Quicktree Offline
I Win
Quicktree  Offline
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Q

Joined: Jan 2003
Posts: 32,394
Quote:

Before I mount one , I come to my senses , buy an MSD and throw the resistor in the trash.



Re: Hot ballast resistor [Re: dakotawilly] #1747736
02/07/15 12:25 AM
02/07/15 12:25 AM
Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
tubtar Offline
master
tubtar  Offline
master

Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
Quote:

that will def learn you!.resistors get real hot and capacitors will knock you down.us old geezers remember the days of charging up distributor condensors and handing them to somebody....




That was how I invented break dancing back in 10th grade auto shop.

Re: Hot ballast resistor [Re: tubtar] #1747737
02/07/15 01:36 AM
02/07/15 01:36 AM
Joined: Aug 2003
Posts: 43,157
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
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C

Joined: Aug 2003
Posts: 43,157
Bend,OR USA
Quote:

Quote:

that will def learn you!.resistors get real hot and capacitors will knock you down.us old geezers remember the days of charging up distributor condensors and handing them to somebody....




That was how I invented break dancing back in 10th grade auto shop.



Was that break dancing or broken dancing A good freind of mine found out the hardway about MSD 7 ignitions being able to zap the crap out of him with the motor and igntion switch turned off, he had drank several after work hour beers and touch his arm onto one of the coil terminals with his hand touching the motor He fell, was knock off of, his open car trailer and broke a tooth on the steel channel on the side of the trailer where the tires ride on Be careful around any ignitions components, engine running or not


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)






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