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Old June 29th, 2009   #1
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1950 DeSoto horn relay wiring

I have a new Rhode Island wiring harness, but the horn relay isn't labeled for each terminal (except for the Ignition, which was obvious as 3 wires go there. How do I determine which terminal is which?
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1929 Chrysler 65 roadster restored
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1942 Packard Custom 8 convertible restored
1942 Packard Super 8 project
1946 Packard pick up project with Packard White engine
1947 Bentley GT 2 door street rod
1950 DeSoto woody restoration almost done
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Old June 30th, 2009   #2
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Re: 1950 DeSoto horn relay wiring

Get a couple of jumper wires and a test light and test it on the bench. You want a combination that will light the test light when you make ground as the horn ring provides ground when you press it.
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Old July 5th, 2009   #3
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Re: 1950 DeSoto horn relay wiring

Thanks for the help, but the 1950 DeSoto horn relay is far more complecated than that.
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1929 Chrysler 65 roadster restored
1930 Nash Twin Ignition 8 Cabrolet, unrestored
1942 Packard Custom 8 convertible restored
1942 Packard Super 8 project
1946 Packard pick up project with Packard White engine
1947 Bentley GT 2 door street rod
1950 DeSoto woody restoration almost done
1969 Dodge pickup E-100 unrestored
1970 Triumph TR250 (MC)HPOF
1976 Mercedes 450 SL
1982 Lincoln Continental
Dave Fields is offline   Reply With Quote
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