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05-28-08, 10:08 AM
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#1 (permalink) |
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Registered User
Join Date: May 2008
Posts: 2
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Wiring help
Hello, new to the forum and I joined to try to get some help. I"m working on a friends sandrail powered by a 1999 3.2 Acura normally aspirated engine. It has a stock engine management computer. My friend wants to add a tachometer but, we have no ides which wire in the loom controls the tach.
There are 51 wires in the loom going to the computer so,,if anyone has information, it will be greatly appreciated thanks in advance Larry |
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05-28-08, 10:46 AM
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#2 (permalink) |
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Acuraworld Preferred Vendor
 Join Date: Jul 2002
Location: Buffalo, NY USA
Age: 37
Posts: 2,652
Your Mood: 
Car 1: 2004 Ford Mustang |
The tachometer drive circuit (part of the main circuit) receives pulses from the PCM. The solid-state tachometer then displays these pulses as engine speed. For each 200 pulses per minute from the PCM the tachometer displays 100 RPM.
__________________
 Tim Poliniak | Internet Parts Manager Ray Laks Honda/Acura | www.hondacuraworld.com | Toll-Free 1-888-RAY-LAKS |
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05-28-08, 10:47 AM
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#3 (permalink) |
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Acuraworld Preferred Vendor
Join Date: Jul 2002
Location: Buffalo, NY USA
Age: 37
Posts: 2,652
Your Mood:
Car 1: 2004 Ford Mustang |
Here are a few diagrams that may help......good luck
__________________
Tim Poliniak | Internet Parts Manager Ray Laks Honda/Acura | www.hondacuraworld.com | Toll-Free 1-888-RAY-LAKS |
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Linear Mode
