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shooter51

Tach for an Isuzu NPR

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I'm finally towing short hops with my custom Isuzu, NPR, short wheelbase tow rig. (4 cyl. turbo diesel, 4 speed AOD tranny) One of the big things I miss is having a tach to monitor RPM's.

The Isuzu dealers in my area do not seem to want to be very helpful. I looked up some parts on my own, but factory OEM stuff is scarce and expensive. One dealer told me I would have to change the gage cluster, cab wiring harness and several sensors and the ECM  (had to throw the BS flag on that one).

 

Net crawling has taught me that after market tach's are reasonably inexpensive, say well under $100.00, and easy to install, using the alternator and a magnetic pick up. What I need is someone that has done this to point out the hard/confusing parts and , perhaps a brand or model recommendation.

All righty then, let the games begin... This is the "before" pic, she's got a flat bed, a slider, a gen set, a tool box and lots of other junk attached now, more on the way.

 

Paul5906366174881_BIGRED2.jpg.dfe81a8182e3b6561160d541c785dfad.jpg

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I have a medium duty Volvo FE6 with an alternator driven tach. Aftermarket options are using a crank pick-up kit which is dead accurate or an alt driven tack. I am a little vague on details but one of the wires on my alt is the trigger wire. I am told it's marked "N". Ill check that tomorrow

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