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guy insists his 66 Coronet is pos ground.
#2771565
05/05/20 07:44 PM
05/05/20 07:44 PM
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Joined: Mar 2003
Posts: 4,848
Memphis
HemiRick
OP
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OP
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Joined: Mar 2003
Posts: 4,848
Memphis
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We've got a new member of our local mopar club and he insists his 66 Coronet is pos ground. the pos cable is going to the block and the neg to the starter he says...Is he badly mistaken?...How is this possible?
Thanks for your thoughts
Rick
Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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Re: guy insists his 66 Coronet is pos ground.
[Re: iapco103]
#2771575
05/05/20 08:18 PM
05/05/20 08:18 PM
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Joined: Jan 2003
Posts: 3,122
Auburn WA
Dave_J
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master
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Posts: 3,122
Auburn WA
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I've had many P.O.S. grounds. Cleaned them up and that fixed them.
But in the case of this member, he needs to sell his 66 Coronet and buy a Chevy Chevette and call it a Vette.
Do you think he is that ignorant or just pulling your chain?
Retired, US ARMY 1973-1994
ASE mechanic, Electrical 1994-1997
Retired GTE/VERIZON/FRONTIER 1997-2015
Posting cheap tech help (CRAP) here since Nov 97, 1000's of posts, some may be good.
03 Suzuki Burgman 650(Burger King) Scooter
65 Formula S Cuda
78 Little Red Express Truck
98 Buick Regal (wifes car)
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Re: guy insists his 66 Coronet is pos ground.
[Re: iapco103]
#2771585
05/05/20 08:23 PM
05/05/20 08:23 PM
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Joined: Mar 2003
Posts: 4,848
Memphis
HemiRick
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OP
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Memphis
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No I've not seen this car.....As to whats up I hesitate to speculate
Last edited by HemiRick; 05/05/20 08:26 PM.
Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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Re: guy insists his 66 Coronet is pos ground.
[Re: 69gtxvert]
#2771589
05/05/20 08:27 PM
05/05/20 08:27 PM
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Joined: Mar 2003
Posts: 4,848
Memphis
HemiRick
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OP
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Posts: 4,848
Memphis
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No I asked him to check this
Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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Re: guy insists his 66 Coronet is pos ground.
[Re: HemiRick]
#2771590
05/05/20 08:28 PM
05/05/20 08:28 PM
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Joined: Dec 2009
Posts: 20,627
in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,627
in a cattle trailer down by th...
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"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.
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Re: guy insists his 66 Coronet is pos ground.
[Re: NITROUSN]
#2771600
05/05/20 08:52 PM
05/05/20 08:52 PM
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Joined: Mar 2003
Posts: 4,848
Memphis
HemiRick
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OP
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I gave him a link to this thread hopefully he will chime in
Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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Re: guy insists his 66 Coronet is pos ground.
[Re: HemiRick]
#2771616
05/05/20 09:25 PM
05/05/20 09:25 PM
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Joined: Jan 2003
Posts: 10,702
North Dakota
6PakBee
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,702
North Dakota
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There are a lot of people who believe a lot of things. Think of those who are convinced they were abducted by aliens and subjected to a body cavity search. You cannot convince them otherwise. In this case though, take a look at the car, that'll answer it one way or another.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: guy insists his 66 Coronet is pos ground.
[Re: HemiRick]
#2771637
05/05/20 10:37 PM
05/05/20 10:37 PM
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Joined: Aug 2003
Posts: 43,123
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,123
Bend,OR USA
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Technically he is correct, all battery current flows from the negative (the hot side) post out on that lead and returns back to the positive side  Basic Direct Current electricity  If he has the negative cable hook to the starter and starter relay with the positive cable hook directly to the block he is not doing it (wiring) the way Mopar and most other American car manufacturers made them or designed the electrical system to work I'm almost sure that the diodes in the alternator won't allow it to charge with reverse polarity like generators will
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: guy insists his 66 Coronet is pos ground.
[Re: Sniper]
#2771795
05/06/20 12:32 PM
05/06/20 12:32 PM
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Joined: Aug 2003
Posts: 43,123
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,123
Bend,OR USA
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Would that mean that everything would also have to be positive ground and the starter motor would spin the opposite direction and have a positive ground radio, the wiper motor would turn the opposite direction and park on the other side, plus the heater/defroster fan would be turning the other direction and on and on and on??? There has always been a myth about Chrysler electrics being "different" so I think this guy has bought into something? Be careful how you break it to him, could get weird or dicey, social distancing rules apply here for sure  Get, I better go out to my 51 and replace all those backwards running motors since I converted it from 6v positive ground to 12v negative ground. Funny thing is, they turn the right way with either setup. That be true, all American made 6 Volt cars since the beginning of when they where made had positive grounds, why they switch to negative grounds on 12V cars is still a mystery to me I'm thinking American made airplanes, both 12V and 28 V, are positive grounds  Maybe not
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: guy insists his 66 Coronet is pos ground.
[Re: Cab_Burge]
#2771799
05/06/20 12:43 PM
05/06/20 12:43 PM
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Joined: May 2019
Posts: 6,225
nowhere
Sniper
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master
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Posts: 6,225
nowhere
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why they switch to negative grounds on 12V cars is still a mystery to me : galvanic corrosion
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Re: guy insists his 66 Coronet is pos ground.
[Re: Sniper]
#2772083
05/07/20 12:15 PM
05/07/20 12:15 PM
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Joined: Jan 2003
Posts: 12,422
Warren, MI
71TA
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 12,422
Warren, MI
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Like mentioned above, many things would have to be changed for that to work. Even in such a simple electrical system as a 66 car; starter, alternator, radio, power window motors, etc. The points ignition would work with POS ground.
I'd bet money its not "really" a pos ground , an outright fib or like one of my college professors used to say, "involuntarily ignorant".
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