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1970 Belvedere Tach Wiring #2727809 12/28/19 07:14 PM 12/28/19 07:14 PM
Joined: Jan 2003 Posts: 2,174 Costa Mesa, California michaelphbarnett OP top fuel
michaelphbarnett OP top fuel Joined: Jan 2003 Posts: 2,174 Costa Mesa, California	what is hooked up to the two terminals on the back of a 1970 Belvedere tachometer? I'm pretty sure the terminal on the right, when viewed from the back, is hooked up to the negative terminal of the ignition coil. I'm not sure about the terminal on the left.

Re: 1970 Belvedere Tach Wiring [Re: michaelphbarnett] #2727818 12/28/19 08:06 PM 12/28/19 08:06 PM
Joined: Jan 2003 Posts: 5,445 So Cal Sinitro master
Sinitro master Joined: Jan 2003 Posts: 5,445 So Cal	I would assume it for a light... Just my $0.02...

Re: 1970 Belvedere Tach Wiring [Re: michaelphbarnett] #2727819 12/28/19 08:14 PM 12/28/19 08:14 PM
Joined: Jan 2003 Posts: 18,423 UPPER MICHIGAN, MARQUETTE COUN... N NITROUSN I Live Here
NITROUSN I Live Here N Joined: Jan 2003 Posts: 18,423 UPPER MICHIGAN, MARQUETTE COUN...	I would have to look but I thought there were 3 terminals. Ground, keyed 12 volt and tach negative.

Re: 1970 Belvedere Tach Wiring [Re: NITROUSN] #2727825 12/28/19 08:23 PM 12/28/19 08:23 PM
Joined: Jan 2003 Posts: 2,174 Costa Mesa, California michaelphbarnett OP top fuel
michaelphbarnett OP top fuel Joined: Jan 2003 Posts: 2,174 Costa Mesa, California	I forgot to mention the ground terminal. thanks.

Re: 1970 Belvedere Tach Wiring [Re: michaelphbarnett] #2727903 12/29/19 07:36 AM 12/29/19 07:36 AM
Joined: Jan 2003 Posts: 2,174 Costa Mesa, California michaelphbarnett OP top fuel
michaelphbarnett OP top fuel Joined: Jan 2003 Posts: 2,174 Costa Mesa, California	It works! Here's a video of it working. I used my 1988 Dodge Ramcharger AW100 to test it. I was trying to get it off of the fast idle. Thanks NITROUSN. Last edited by michaelphbarnett; 12/29/19 07:40 AM.

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