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08-24-2017, 12:57 PM
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#1 |
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Registered User
Join Date: Feb 2013
Location: Lakeside Ariz
Posts: 445
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1950 chevy PU wireing
I am helping a friend wire up a 1950 pu with original gauges but with 12 volt battery, I know you have to use a voltage reducer on the hot side of the guage. Do you need a voltage reducer on the other side of the guage too? to keep frome getting a 12volt feed back? We are using a new complete 21circuit wiring harness . Thanks Rich
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08-24-2017, 02:21 PM
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#2 |
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Registered User
Join Date: Feb 2013
Location: Lakeside Ariz
Posts: 445
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Re: 1950 chevy PU wireing
This the amp guage that I am working on. Thanks Rich
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08-24-2017, 10:58 PM
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#3 |
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Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,131
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Re: 1950 chevy PU wireing
Amp gauge doesn't use one.
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08-25-2017, 10:36 AM
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#4 |
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Registered User
Join Date: Feb 2013
Location: Lakeside Ariz
Posts: 445
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Re: 1950 chevy PU wireing
Thanks Rich
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08-25-2017, 03:25 PM
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#5 |
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Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,229
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Re: 1950 chevy PU wireing
You will need one reducer for the gas gauge on the power wire going to it. Like CR says you do not need one for the amp. gauge but you can't run a high powered alternator through it.
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08-25-2017, 05:36 PM
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#6 | |
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Registered User
Join Date: Dec 2000
Location: Boise, Idaho
Posts: 6,003
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Re: 1950 chevy PU wireing
Quote:
But I had no voltage reducer on the gauges, everything worked fine. Brian
__________________
1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings" |
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08-25-2017, 05:46 PM
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#7 |
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Registered User
Join Date: Aug 2016
Location: Hunkered Down
Posts: 1,895
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Re: 1950 chevy PU wireing
Uh my gas gauge pegged and died right after applying 12volt power. Nixon was in office at the time and must have been the reason.
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08-25-2017, 10:17 PM
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#8 |
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Registered User
Join Date: Dec 2000
Location: Boise, Idaho
Posts: 6,003
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Re: 1950 chevy PU wireing
I had to call my brother because I wanted to be sure my truck had no reducers and I was right, nothing. The gas gauge worked, the amp gauge worked because the 6 volt actually has higher amperage so it works fine! The Water temp was mechanically as I remember so it worked and so was the oil gauge that I know for sure was mechanical. The COEs had an electric water temp gauge, I have an NOS one.
Brian
__________________
1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings" |
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08-25-2017, 11:52 PM
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#9 |
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Registered User
 
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,711
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Re: 1950 chevy PU wireing
Classic parts and no doubt the rest of the truck trinket vendors sells a 12V fuel gauge for AD trucks for about 60 bucks. http://www.classicparts.com/Gauges-O...oducts/845/2/0 spendy but that is one way.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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08-26-2017, 12:31 AM
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#10 |
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Registered User
Join Date: Dec 2000
Location: Boise, Idaho
Posts: 6,003
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Re: 1950 chevy PU wireing
I swear, I ran the stock gas gauge with 12 volt and never had a problem.
Brian
__________________
1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings" |
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08-26-2017, 12:16 PM
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#11 |
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Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,131
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Re: 1950 chevy PU wireing
You should not have to use a reducer on a fuel gauge. The gauge only reads resistance to ground not voltage. Amp gauge no reducer. Heater or radio or anything with a motor or circuitry should have a reducers if your using 6v bulbs they need a reducer
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