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Where to hook up tach on nbs

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Old 09-19-2010, 06:31 PM
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Default Where to hook up tach on nbs
Just wondering where I run the tach wire to on my 99 nbs to hook up a aftermarket tach
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Old 09-19-2010, 07:17 PM
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It is the white wire behind the cluster
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Old 09-19-2010, 08:11 PM
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Yep and you'll probable have to set the tach to 4cyl to get the right reading out of it.
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Old 09-19-2010, 08:26 PM
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Thanks as always
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Old 09-21-2010, 01:01 PM
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Originally Posted by kbracing96
Yep and you'll probable have to set the tach to 4cyl to get the right reading out of it.
confused??? whats that mean
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Old 09-21-2010, 02:01 PM
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tach has to be set on 4 banger mode, i think it is a white wire behind the cluster
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Old 09-21-2010, 02:42 PM
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Originally Posted by moes04silverado
confused??? whats that mean
Most aftermarket tachs have a switch on the back for 4, 6 or 8 cylinders for normal ignition systems so they read right. The pulse count that these trucks use is the same as a 4 cylinder so you have to set that switch to 4cylinder mode
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Old 09-21-2010, 08:01 PM
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on the autometer tachs u have snip two wires on the back of the tach, i believe they are orange and brown, cant remember exactly
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Old 09-21-2010, 09:32 PM
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Nothey have switches
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Old 09-24-2010, 09:26 PM
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Switches set to 4cyl mode, Connected to the white(kinda beige) wire and works perfect.

thanks crew
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