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Old 08-09-2022, 10:47 PM   #3
N147JK
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N147JK is a jewel in the roughN147JK is a jewel in the roughN147JK is a jewel in the rough
 
Join Date: Jul 2022
Posts: 48
Default Re: 4-Pin Relay Orientation?

Thank you fdryer for that info - appreciated!

So, pin 30 always goes on the battery power socket. I checked the sockets with the power off. Interestingly, in 2 cases (the 2 smaller relays) there are 2 pins that both have 12 volts on them. One is the horn relay. I found that the horn works exactly the same regardless of which way the relay is inserted. I guess there are normally open and normally closed type relay circuitry.

Last edited by N147JK; 08-09-2022 at 10:52 PM.
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