Gm Pulse Generator Wiring

You should see the voltage increase as the wheels spin. Gm pulse generator ezwiring if you have an older model gm transmission and are using the programmable speedo set don t forget your pulse generator. The most i ever see is around 20 mph when doing anywhere from 30 50 mph.

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This is also referred to as pulse generator electronic speedometer pickup gps sender but the installation is always the same.

Gm pulse generator wiring. Red black white red. 12vdc to 12v terminal of speedometer. 11 07 07 08 47 pm post 1291098 i have a chevy 350 350 and am installing a new gage setup. With late model gm transmissions containing an internal speed sensor outputting 128 000 pulses per mile the stock 40 tooth 40 pulse per revolution reluctor ring provided the factory ecm with a high frequency input.

These signal generators produce approximately 16 000 pulses per mile ppm. Now spin the rear wheels. If you have no signal look for a broken wire somewhere in between. Do not use excessive force to tighten.

Now perform the same test at the pcm. Unplug the sensor and hook up the meter to the 2 terminals on the sensor. 12vdc to 12v terminal of speedometer. High frequency gm style pulse generator the missing piece of the increasingly popular early gm transmission swap.

I m trying to troubleshoot my pulse generator signal to my dolphin 1 touch electronic speedometer. 16 pulse gm chrysler signal generator sn16 attach the signal generator to the transmission speedometer gear housing where the speedometer cable originally connected. Gnd use 20 awg stranded or heavier wire for hook up wiring w most oem 2 wire v s s when no computer involved note. If you have an older model gm transmission and are using the programmable speedo set don t forget your pulse generator.

Do not use excessive force to tighten. Allows modern gm engines to be mated to non electronically controlled gm automatic transmissions. These signal generators produce approximately 16 000 pulses per mile ppm. Differs from one shown.

The 700r4 had the generator in it and is oem and not aftermarket. See diagram 1 if your terminal arrangement caution. Red black white red. One signal wire leads from the sender to the gauge and that s it believe it or not its that easy.

As a safety precaution the red wire of this product should. There are 2 basic types of speed signals hall effect and ac sinewave. See the additional information below to see if this is needed for your application allows modern gm engines to be mated to non electronically controlled gm automatic transmissions converts mechanical speed signal into a digital square wave signal at 128k pulses per mile. 16 pulse gm chrysler signal generator sn16 attach the signal generator to the transmission speedometer gear housing where the speedometer cable originally connected.

See diagram 1 if your terminal arrangement differs from one shown. Use a volt meter set to a c voltage. See the additional information below to see if this is needed for your application. Hopefully i am in the right forum for this.

The pulse generator pg for the tranny did not come with a diagram.