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Delco 985244 radio conversion #1296368
Sat Jan 26 2019 10:17 PM
Sat Jan 26 2019 10:17 PM
M
mgs2253  Offline OP
Moderated
Joined: Sep 2017
Posts: 2
Southeast minnesota
Would like to install Oldsmobile 985244 radio in 1950 GMC 150 with 6 volt positive ground. Looks like aftermarket bezel, knobs etc should fit but question on electrical side. In replacing electrolytic capacitor does ends need to be revearsed due to now having positive ground. I know polarity doesn’t matter on other caps and original vibrator.

Re: Delco 985244 radio conversion [Re: mgs2253] #1296369
Sat Jan 26 2019 10:42 PM
Sat Jan 26 2019 10:42 PM
truckernix  Offline
Master Gabster
Joined: Mar 2002
Posts: 8,826
Bracebridge Ontario Canada
mgs2253,
welcome to the Stovebolt. The operation of the electrolytic is the same whether it is a positive or negative ground radio. The only thing that changes is the polarity of the vibrator, if it is a new solid state one. Good luck on your installation.


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1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!
Re: Delco 985244 radio conversion [Re: mgs2253] #1296377
Sun Jan 27 2019 12:16 AM
Sun Jan 27 2019 12:16 AM
M
mgs2253  Offline OP
Moderated
Joined: Sep 2017
Posts: 2
Southeast minnesota
Thanks Fred,
Doing a recap on radio and from reading tip page on JustRadio.com saw that replacement electrolytics have a positive end and negative end. Since the Oldsmobile was negative ground I assumed on the GMC the capacitor ends would have to be reversed because now have positive ground.

Re: Delco 985244 radio conversion [Re: mgs2253] #1296384
Sun Jan 27 2019 01:18 AM
Sun Jan 27 2019 01:18 AM
Rusty Rod  Offline
Moderator - The Electrical Bay and Rocky Mountain Bolters
Joined: Dec 2002
Posts: 2,877
Loveland, Colorado
You could also scrounge up a Chrysler 6V
negative ground radio as well...


Another quality post.


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HELP! The Paranoids are after me!
Re: Delco 985244 radio conversion [Re: mgs2253] #1296387
Sun Jan 27 2019 01:31 AM
Sun Jan 27 2019 01:31 AM
truckernix  Offline
Master Gabster
Joined: Mar 2002
Posts: 8,826
Bracebridge Ontario Canada
Rusty Rod,
I don't understand your comment . Is there a Chrysler radio that fits in the truck?


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!

Moderated by  truckernix 

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