Caterpillar Tachometer Wiring

Model 8901 is a single output two wire mechanical sender. The truck has an electronic tachometer but i can not find the sensor on the engine or any wiring that looks like it might go to the sensor. Ive got a 1998 gmc topkick with the cat 3116.
caterpillar tachometer wiring

9x1116 New Tachometer Made To Fit Caterpillar Cat Industrial

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It attaches to a tachometer drive fitting on many diesel engines and produces 8 pulses per revolution.

Caterpillar tachometer wiring. C15 cat engine wiring schematicsgif. Output fits most tachometer drive on diesel engines. The engine serial number is 9gk64306. Illuminated digital tachometer is cat part number 1977347.

I posted this earlier in the trucks forum but didnt find the answer. Click for cat c3126e wiring diagram 2 pages diesel engine specs basic specs are free and open to everyone they usually include engine images displacement dimensions and weight essential bolt tightening torques plus characteristics of the engine eg. Some seem to think its from the alternator some think a sensor on the flywheel. Caterpillar 246c shematics.

Tachometer drive on the injection pump drive gear can be installed if your engine is not equipped with one. The tachometer doesnt work. Learn how to install a signal wire on your diesel alternator. Cat 3126 ewd wiring diagramspdf.

Cat tachometers are part of the engine monitoring system that provides visual indication of engine rpm essential information for an operator. Signal generator is 1645524 along with drive tang 7t8275. Its power and torque. Buy your diesel conversion parts here.

Here well do just that on with a dodge gen 1 and 2 cummins alternator. Application and installation guide marine engine electronic displays installation guide. Digital display visible in direct sunlight. This is driven by the tachometer drive on the front engine cover.

1985 peterbilt dump trucktruck has an electronic tachometerwiring i have a 1985 peterbilt dump truck with a 3306 cat engine. Can anyone tell me where the tach signal comes from.