Where is the ignition module on a 1994 Ford f150?

Where is the ignition module on a 1994 Ford f150?

Under the hood on the fender it is about 5 inches by 5 inches with two plug wire harnesses coming out of it.It is aluminum.

How do you change the ignition module?

Reach under the engine and unplug the coil assembly electrical connectors. Remove the assembly mounting bolts using a ratchet and socket. Remove the assembly from the engine and remove the coils using a ratchet and socket. Remove the old ignition module from the base plate and install the new unit.

How do you test a HEI ignition control module?

How do I test my HEI module?

1. Test for power at the pink BAT terminal. You should have battery voltage w/ the key in the start and RUN positions.
2. Connect the ground side of your test lamp to the battery POSITIVE cable.
3. Remove the cap & rotor.
4. DVOM (meter) still connected to green & white leads.

How do you test a 350 ignition module?

How to Check the GM Ignition Control Module

1. Open the hood of the GM vehicle. Locate the ignition module.
2. Connect the positive test light lead to the ignition module signal wire.
3. Ask a partner to crank the engine numerous times.

What Causes HEI module failure?

Most common cause of module failure is still overheating of the in cap coil, and its layer shorting, causing increased resistance the coil trigger side of the module cannot handle. Engine Fails to Start. Plug Wire Engine Miss. …

What does the HEI ignition module do?

The key functions for the HEI module are to set the current limits for the ignition and establish the dwell circuitry. High-performance modules like the ACCEL, MSD, Performance Distributors, and Pertronix units allow higher current limits and increased dwell time at high rpm.

How do you troubleshoot a HEI distributor?

Testing the GM HEI Distributor A no-spark condition is checked by checking the distributor for power at the connector on the side of the cap. If there is power, disconnect the electrical connector and remove the cap. Check the rotor and the cap for excessive wear. Check the coil tower for excessive wear.