Factory CJ7 tach with mpi

Solid grey wire out of ecu to solid red wire on tach, red/white wire on tach to other cut end of solid grey wire going to coil. This works for obd 1 (1995 and older) 4.0L jeep motors Loading...

OEM tachometer 85cj7 wiring. This is a discussion on OEM tachometer 85cj7 wiring within the Misc CJ Discussion forums, part of the CJ Forums category; I'm starting to go crazy and feeling stupid. I removed my dash and am putting it back together. Everything is ...

My stock one only had 2 large wires on the back,1 red and 1 red/white. I cut them off the tach and had to slice them together to get the engine to run. The replacement tach has the standard wire hookup described earlier. You will have to run a wire from your HEI to the signal wire on the new tach. Everything else you can get from under the dash.

Hence, the tach was connected in series with the primary side of the ignition system and carried the electrical load of that system. That is the reason for the heavy gauge wiring of the original CJ tach. The vast majority of modern OEM and aftermarket tachs count ignition system voltage pulses and carry very light current loads.

This article on how to wire an electronic tachometer doesn’t have anything to do with Project X other than that ’57 is the granddaddy to Super Chevy’s Chevelle. The factory style filter looks like a condenser with a wire and connector on each end, one of which plugs onto the HEI distributor, and the other onto the tach lead wire.

Anyone who drives a Jeep, particularly a manual shift vehicle, knows the importance of knowing your RPMs. The Crown Automotive Tachometer replaces the factory gauge and looks identical to maintain the original look. The same gauge works on all 4,6 and 8-Cylinder engines, a switch on the back is available for you to select the correct application.

These have "C" and "H" as well as the "E" and the "F" in the stock OEM orientation. Imported after-market gauges have these ranges reversed, both are 12v, and have a different wiring and post setup. Use their instructions and diagrams during replacement. About the Sending Units. The oil pressure sender is similar to the fuel gauge sender.

1974 Cj5 Wiring Diagram - welcome to my internet site, this message will review regarding 1974 Cj5 Wiring Diagram. We have actually collected many photos, ideally this image serves for you, as well as aid you in finding the solution you are seeking. Description : Your Painless Wiring Job Photos - Page 2 - Jeepforum

Jeep Wiring Diagrams - 76 & 77 CJ The following wiring diagram files are for 1976 and 1977 Jeep CJ. Click to Zoom in or use the links below to download a printable Word document or a printable PDF Document.

Fits: 1976-1983 Jeep CJ5 1976-1986 Jeep CJ7 1981-1986 Jeep CJ8 Scrambler