Not getting any spark

Asked by Aug 01, 2015 at 01:24 PM about the 1995 Ford F-150 XL 4WD SB

Question type: Maintenance & Repair

Tried to replace coil still no spark

2 Answers

104,095

Ignition modules are the most common failure on these, test for codes in the ECM, look for a IDM failure code, or if you want you can remove the connector on the coil and put a test light in between the connectors on the plug and crank the engine,watch for a flashing light on the test light, if there is no flash then replace the Ignition module, and recheck for flashing light, if the light flashes then reconnect the coil plug and the engine should start if everything else is in operational condition.

2 of 2 people found this helpful.
20,800

You can easily check the net for the specifications for the primary and secondary resistance for the coil. With a digital ohm meter it's a five minute check. Then work forward to the plugs or backward as Tennis shoes suggested.

3 of 3 people found this helpful.

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