tach troubles
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New User
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tach troubles
iv got a 65 ford.not sure what the motors out of but the best iv found so far is its a 289 thats out of something in the 67s.iv tried to hook it up like normal bu t it wont work.iv even tried a differant tach.is there something with the points styl thats dif or is there just some thing im not seeing.id realy like to have a tach.pleas help
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
iv got a 65 ford.not sure what the motors out of but the best iv found so far is its a 289 thats out of something in the 67s.iv tried to hook it up like normal bu t it wont work.iv even tried a differant tach.is there something with the points styl thats dif or is there just some thing im not seeing.id realy like to have a tach.pleas help
Is that 1965 an F Series truck or a Ranchero?
F Series
1965 F100/350 engine choices: 240-I-6 / 300 I-6 / 352 2V
The engine code is the 4th digit of the VIN: J = 240 (J: 1965 only) / B = 300 / D = 352
No F Series truck ever had a 289 engine factory installed.
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1965 Ranchero's offered two engines: 200 I-6 or the 289 V8.
Three 289's were offered: 2V / 4V / HiPo
The engine code is the 5th digit of the VIN.
T = 200 1V / C = 289 2V / A = 289 4V / K = 289 HiPo.
Valve cover bolts: 289 = 6 / 352 = 5.
Lead Driver
Joined: Jan 2003
Posts: 9,893
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From: Ohio
The green wire goes to the ground side of coil, the black is to chassis ground, the red is usually keyed power.
Here's a page showing the typical wiring diagram
Tachometer Installation Autogage Tach Install
Here's a page showing the typical wiring diagram
Tachometer Installation Autogage Tach Install
Hotshot
Joined: Oct 2002
Posts: 18,488
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From: The Big, Oregon
It shouldn't, since the on/off concept is the same. IF you are using a non-resistor style wire that can cause some issues, mostly due to feedback, and you might get issues if your condenser is bad.
I know you say it isn't working, but what exactly is it doing? And you do have it hooked to the same terminal on the coil the distributor/points wire is hooked to, right?
I know you say it isn't working, but what exactly is it doing? And you do have it hooked to the same terminal on the coil the distributor/points wire is hooked to, right?
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yes the wire to the coil is right.the tach does nothing.doesnt read at all.not sure what the brand was.they were 2 dif kinds
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Lead Driver
Joined: Jan 2003
Posts: 9,893
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From: Ohio
Reconfirm your ground and keyed power source. Do they have lights in them? Can you make them light up?
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k know i went threw all the wiring and it was good and it still didnt work.just for fun i turned the *** on the back thats for the 8 6 4 motors to 6 and it started to work.and from what i could tell it was reading right.hows that work?iv got a v8 in it
