12v source
Laughing Gas
Joined: Jul 2003
Posts: 765
Likes: 13
From: Edmond, OK
Side topic, if you're wanting to add a relay for an electric fuel pump, fog lights, compressor, etc. and you want it to only work off the key, is that the connector you want to use? Or is there a lower voltage keyed source?
I ask because I'm adding an electric fuel pump (there will be a thread) and I want the switch to control a relay, but only want power to the switch when the key is on or in accessory.
Mine is a '73 and I'm not seeing wiring diagrams for it, however I do have the dash out so I have access to all of it.
I ask because I'm adding an electric fuel pump (there will be a thread) and I want the switch to control a relay, but only want power to the switch when the key is on or in accessory.
Mine is a '73 and I'm not seeing wiring diagrams for it, however I do have the dash out so I have access to all of it.
Senior User
Joined: Jul 2019
Posts: 139
Likes: 3
Wiring diagrams are here: https://www.fordification.net/tech/wiring.htm
Easiest switched power to drive a relay in the cab is the radio power
Easiest switched power under the hood (verify this one) is one of the terminals off the starter solenoid
Easiest switched power to drive a relay in the cab is the radio power
Easiest switched power under the hood (verify this one) is one of the terminals off the starter solenoid
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