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View Full Version : How to hook up a tach aftermarket to 89 cheyenne 89cheyenne1500 03-22-2008, 01:01 PM I have a chevy cheyenne 89 and it has an aftermarket tach mounted on the hood ones you can get at canadian tire, there are two wires that are supposed to clip on engine somewhere and I would like to know where to attach it. Can anyone help? Thanks mc89chevy 03-22-2008, 02:30 PM the gauge is on the hood?? or is it under the cowl on an induction hood. if its the latter, could you take a pic and post it, ive been looking for one for months now! 89cheyenne1500 03-22-2008, 02:36 PM the gauge is on the hood?? or is it under the cowl on an induction hood. if its the latter, could you take a pic and post it, ive been looking for one for months now! It is on the hood, yes. It looks like this, kinda.,http://images.canadiantire.ca/media/images/products/images/Automotive/Performance/Gauges/0340319_450_CC_1892d.jpg BHB 03-22-2008, 03:55 PM On the engine compartment harness there is a pigtail taped to the harness right by the distributor. That is the tach wire (should be a white wire) 89cheyenne1500 03-22-2008, 03:58 PM OK I will have a look and see vBulletin® v3.8.2, Copyright ©2000-2009, Jelsoft Enterprises Ltd.
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