Easy tips

What should the coil voltage be on a blazer?

What should the coil voltage be on a blazer?

Now, touch the red DMM lead to the battery’s positive terminal, and poke the black lead into the C-wire (black with white stripe); again, you should see between 10 to 12 volts. If you didn’t get these results, then your problem is the power supply, not the coil/module.

Why is my ignition coil not working on my Blazer?

Touch the LED light’s positive lead to the battery’s positive terminal, then crank the engine again. If the light flashed on and off while you cranked the engine, then the ignition control module is bad.

Which is spark tester do you need for ignition coil tower?

This is a pretty easy test, but it must be done with a spark tester. You can find the test steps here: TEST 4: Spark Test At Ignition Coil Tower (this test belong to this tutorial: How To Test A Misfire / No Spark-No Start Condition (4.3L, 5.0L, 5.7L 96-04) ).

Can a bad ignition coil cause a car to not start?

This article will take you step by step through the whole process of diagnosing and troubleshooting a bad ignition control module and ignition coil. The ignition control module (ICM) and ignition coil tests in this article assume that your vehicle is Cranking but NOT STARTING due to a NO SPARK Condition.

Now, touch the red DMM lead to the battery’s positive terminal, and poke the black lead into the C-wire (black with white stripe); again, you should see between 10 to 12 volts. If you didn’t get these results, then your problem is the power supply, not the coil/module.

Touch the LED light’s positive lead to the battery’s positive terminal, then crank the engine again. If the light flashed on and off while you cranked the engine, then the ignition control module is bad.

What kind of engine does a 1998 blazer have?

1998 blazer 4.3l engine. 4l60e transmission. that had been rear ended. Engine is hooked up. I have a Crank but no spark condition. vom and test probe being that i have no O-scope to test for a signal. Checked ECM1 15a fuse and all fuses—Good. Tested Ignition switch at the wire block pink w black stripe as i tried to start.

This is a pretty easy test, but it must be done with a spark tester. You can find the test steps here: TEST 4: Spark Test At Ignition Coil Tower (this test belong to this tutorial: How To Test A Misfire / No Spark-No Start Condition (4.3L, 5.0L, 5.7L 96-04) ).

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Ruth Doyle