tach signal wire a/f gauge signal?

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Old Sep 20, 2002 | 05:33 PM
  #1  
Cereal_Killer's Avatar
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From: Mesa, AZ, USA
Default tach signal wire a/f gauge signal?

what pins ate ECU. car is a 1991 CRX DX>
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Old Sep 20, 2002 | 08:34 PM
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MADEINIRAQ's Avatar
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From: MI
Default Re: tach signal wire a/f gauge signal? (91EFZC)

pin C16 on the ecu.

the 3rd "plug" on the ecu.. the small black one with 16 wires on it. the lowest(closest to floor) "plug" on the ecu when it's installed

white wire
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Old Sep 20, 2002 | 09:32 PM
  #3  
Cereal_Killer's Avatar
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Default Re: tach signal wire a/f gauge signal? (madeiniraq)

ok so which is that for, the tach or a/f gauge ?
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Old Sep 20, 2002 | 10:51 PM
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From: Vancouver, WA, us
Default Re: tach signal wire a/f gauge signal? (91EFZC)

go to http://www.hasport.com under Tech Info , they got a diagram for ecu pin outs
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Old Sep 21, 2002 | 04:00 AM
  #5  
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Default Re: tach signal wire a/f gauge signal? (B20zvtecek)

you are better off tapping the o2 wire at the o2 sensor and not the ecu...
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