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302 v8 build factory tach hookup.

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Old Mar 23, 2020 | 01:34 AM
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cpljenkins01's Avatar
cpljenkins01
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From: Berkeley county wv
302 v8 build factory tach hookup.
I have a 90 pickup that I put a built 302 in. I put a cdi box in it and ran the tach wire from the cdi box to the factory toyota tach but nothing happened. How can I get the tach to work?

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Old Apr 15, 2020 | 05:06 AM
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Erik Beeman
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From: Concord, CA
What ignition box are you using? I get my tach output from the 6AL box.
Try getting your signal from your coil positive.
Last edited by Erik Beeman; Apr 15, 2020 at 05:07 AM.
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Old Apr 15, 2020 | 05:28 PM
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cpljenkins01
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From: Berkeley county wv
Originally Posted by Erik Beeman
What ignition box are you using? I get my tach output from the 6AL box.
Try getting your signal from your coil positive.
I got it figured out. The voltage from the cdi box is not enough volts for the Toyota tach it runs off higher voltage.
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