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Old 01-10-2006, 04:10 PM
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Default Tach signal?
Where is the tach signal coming from, so I can hookup my 5" tach? My car either didn't come with a tach, or it's just not showing up on my crappy digital dash (wouldn't surprise me), and I can't seem to find the wire in any diagrams. Thanks.
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Old 01-10-2006, 04:33 PM
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Lightbulb Re: Tach signal?
Digital dash cars have no tach.

If this is an 86/87, there is a green connector with a spade connector on the driver's side of the engine, roughly behind the A/C compressor. That has a 5v squarewave tach signal on it. It may take a 10k resitor between that and ground to work with some tachs.
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Old 01-11-2006, 02:19 PM
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Default Re: Tach signal?
It's an '87 Regal T and the tach's an Auto Meter monster. I'll try that, thanks!
Last edited by Rice Cooker; 01-11-2006 at 02:30 PM.
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Old 01-11-2006, 03:26 PM
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Question Re: Tach signal?
Quote:
Originally Posted by Rice Cooker
Auto Meter monster
Kinda overkill for a motor that'll never see 5500, isn't it? That's a 10k RPM tach!
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Last edited by Keller; 01-11-2006 at 03:58 PM.
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Old 01-11-2006, 06:43 PM
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Default Re: Tach signal?
Quote:
Originally Posted by Keller
Kinda overkill for a motor that'll never see 5500, isn't it? That's a 10k RPM tach!
FYI you can get the mosnter tach that reads up to 8k
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Old 01-26-2006, 06:50 PM
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Default Re: Tach signal?
That's the one I got, the 8K.
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