wiring help 518 3 wire speedo

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Re: wiring help 518 3 wire speedo [Re: hemibeep] #1240102 05/26/12 06:13 PM 05/26/12 06:13 PM
Joined: Jan 2003 Posts: 25,977 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,977 Rio Linda, CA	Pin 3 is an 8 volt power supply from the PCM, pin 2 is ground and pin 1 is the output to the speedo. With the key tab to your right, pin 1 is at the bottom and pin 3 is at the top. The INTERNET, the MISinformation superhighway

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