Lost the tach

panteradougMember

OK,I installed the 50 amp continuous duty Bosch relay to the ignition system.
Now the tach doesn't work.

It's really very simple how it should work, one wire is the 12v power source, the other is the (pulse sensor) to the distributor terminal on the coil.

I took the 12v source wire from the coil and ran it to the #86. That is the on singnal from the ignition switch?

Power from the starter relay is terminal #30.

Terminal #87 goes to the the battery terminal on the coil.

Terminal #85 is the ground.

What did I do wrong?

Please help. Remember to inflict as much pain and discomfort as possible. I need more from the outside.

Thanks. I knew you would understand.

4/22/078:54 AM

Original Post

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