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- Brand:
- SKU:
LX-101
- GTIN: 00091769017552
- UPC: 091769017552
- Description:
Standard Motor Products ignition control module for Chrysler electronic ignition systems. Solid‑state 4‑pin ECU that switches the ignition coil primary and provides dwell/timing control. Typical fender/firewall‑mounted unit used on many Chrysler, Dodge, and Plymouth RWD applications; not for Lean Burn systems.
- Condition: New
- Warranty:
Ignition Control Module - SMP CORP (LX-101)
- Sale Price: $62.20
Pricing is valid online only and may vary in your local store
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Key Product Information
Additional Information
| FITMENT | Fits many 1972-1991 Chrysler, Dodge, and Plymouth RWD vehicles equipped with the Chrysler 4‑pin electronic ignition control unit (fender/firewall‑mounted) and non‑Lean Burn ignition. Common engines include the 3.7L Slant‑Six (225) and LA‑series V8s (5.2L/5.9L), with coverage on select big‑block 6.6L/7.2L applications. Verify 4‑pin connector and non‑Lean Burn system before ordering. Chrysler LeBaron (1977-1980): 3.7L L6, 5.2L V8, 5.9L V8 Chrysler Newport (1976-1981): 3.7L L6, 5.2L V8, 5.9L V8 Chrysler New Yorker (1976-1979): 5.2L V8, 5.9L V8 Chrysler Town & Country (1976-1981): 3.7L L6, 5.2L V8, 5.9L V8 Chrysler Fifth Avenue (1983-1989): 5.2L V8 Dodge Aspen (1976-1980): 3.7L L6, 5.2L V8, 5.9L V8 Dodge Magnum (1978-1982): 5.2L V8, 5.9L V8, 6.6L V8 Dodge Monaco (1976-1978): 3.7L L6, 5.2L V8, 5.9L V8, 6.6L V8, 7.2L V8 Dodge D100/D150/D200/D250/D300/D350 (Pickups) (1977-1991): 3.7L L6, 5.2L V8, 5.9L V8 Dodge W100/W150/W200/W250/W300/W350 (4x4 Pickups) (1977-1991): 5.2L V8, 5.9L V8 Dodge Ramcharger (1974-1991): 5.2L V8, 5.9L V8 Plymouth Volare (1976-1980): 3.7L L6, 5.2L V8, 5.9L V8 Plymouth Valiant (1978): 5.9L V8 |
| SYMPTOMS | Typical failure signs include hot‑soak no‑start, intermittent stall, misfire, weak/no spark, or erratic timing. These modules often fail when overheated. |
| TROUBLESHOOTING | Before replacing, verify coil power and ground, and test the distributor pickup and the ballast resistor (a failed ballast can mimic a bad module). On these pre‑OBD vehicles there are no stored diagnostic trouble codes—use a timing light or spark tester to confirm loss of spark during the fault. Many applications require the 4‑pin module and will specify 'w/o Lean Burn' or 'single plate pick‑up' in catalogs. |
| INSTALLATION | Mount to clean, bare metal for a solid ground; tighten fasteners and confirm body‑to‑engine ground straps. Inspect the 4‑pin connector for corrosion; apply dielectric grease to the connector seal if desired. Do not substitute on Lean Burn systems. If a no‑start persists after installation, recheck the ballast resistor, distributor pickup air gap, and coil primary connections. |
| MAINTENANCE | |
| GENERAL_NOTES | Module location is typically on the fender or firewall. Some catalogs note special cases like California emissions or 'w/ single plate pick‑up'—match these notes to your vehicle. This is a direct‑fit OE‑style replacement from Standard Motor Products. |
| FAULT_CODES | |
| REPLACEMENTS | 3438850 3656127 3656128 3656900 3755550 3874020 4111850 Wells CR100 Wells CR109 Airtex/Wells 6H1062 Mobiletron IG-C411 MasterPro 2-7037 Delphi DS10067 Echlin/NAPA TP51 Duralast CR109 OEMS/Interchange: T‑Series LX101T |
| WEIGHT | 1.02 lb |
| DIMENSIONS | 4.4 x 1.9 x 7.7 inches |