84 dodge B350 V8 5.9L - Weak Spark, low Voltage to coil
Thread Starter
|
Registered User
Joined: Mar 2019
Posts: 4
Likes: 0
84 dodge B350 V8 5.9L - Weak Spark, low Voltage to coil
Engine will crank with very weak spark. So far I have tried the following tests.
Failed Tests:
Thanks for your help
Failed Tests:
Spark plugs - little or no spark when cranking the engine using an inline spark tester
Coil - 6.3V I believe this should test at 12.5V.
Tests Within Specs:Coil - 6.3V I believe this should test at 12.5V.
Battery - 12.5V
Battery connectors - 12.5V
ECU cavity 2 - 12.5V
ECU resitance between cavities 4 and 5 - 300 ohms
Ballast Resistor 1.8 ohms
Coil primary resistance - 1.5 ohms
Coil secondary resistance - 8,580 ohms
What should I look at next?Battery connectors - 12.5V
ECU cavity 2 - 12.5V
ECU resitance between cavities 4 and 5 - 300 ohms
Ballast Resistor 1.8 ohms
Coil primary resistance - 1.5 ohms
Coil secondary resistance - 8,580 ohms
Thanks for your help
Thread Starter
|
Registered User
Joined: Mar 2019
Posts: 4
Likes: 0
I found that the problem was the starter relay. Replaced the starter relay and I am now getting 12.5V at the coil and from the coil wire that goes to the distributor. Still getting no spark. Not sure where to look next.
Thanks for your guidance.
Thanks for your guidance.
