Keep the spark firing on your classic Mopar with the Standard Ignition Ignition Control Module LX-100. It drops in as a direct-fit replacement across a wide range of vintage Chrysler, Dodge and Plymouth applications — including the 1976-1978 Chrysler Valiant, 1977-1982 Dodge Dart, 1974-1981 Dodge Ramcharger and 1974-1980 Plymouth Trailduster. It also covers many Dodge and Plymouth B-, D- and W-series trucks and vans; see the Buyer's Guide tab for the full list of 48 applications.
- Triggers the coil: Switches the ignition coil's primary circuit so it charges and discharges to produce the high-voltage spark at the plugs.
- Manages the ignition switching: Controls the timing of that primary-circuit switching as part of the vehicle's electronic ignition system.
- Signs it may need replacing: A no-start, intermittent stalling (often when the engine is hot), or misfires can point to a failed module — diagnose the cause before replacing, since these symptoms have other possible sources.
If a failed ignition control module is the cause of your ignition trouble, this unit replaces it.
Interchange: Manufacturer part number LX-100.
Frequently Asked Questions
What does the LX-100 ignition control module do?
It switches the ignition coil's primary circuit and controls the timing of that switching, so the coil produces the high-voltage spark delivered to the spark plugs.
Which vehicles does the LX-100 fit?
It fits 48 applications, including the 1976-1978 Chrysler Valiant, 1977-1982 Dodge Dart, 1974-1981 Dodge Ramcharger and 1974-1980 Plymouth Trailduster. Check the Buyer's Guide tab for the complete list.
What are signs of a failing ignition control module?
A no-start, intermittent stalling (often when the engine is hot), or misfires may indicate a failed module. Diagnose the cause first, as these symptoms can have other sources.
Is the LX-100 a direct-fit replacement?
Yes. It is a direct-fit replacement for the listed applications. Confirm your vehicle in the Buyer's Guide tab before ordering.
Will replacing this module fix my ignition problem?
If a failed ignition control module is the cause, this unit replaces it. Because no-start and misfire symptoms can stem from other parts, diagnose the cause before replacing.
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