If your key is hard to turn or the ignition circuits are acting up, the Standard Ignition switch US-177 is designed to replace the ignition switch and lock cylinder as one assembly. It is a direct-fit replacement for the 1987-1989 Mercury Tracer. See the Buyer's Guide tab for engine specifics.
The lock cylinder accepts the key and turns the switch. In each key position, the switch routes power to the ignition, starting and accessory circuits. Standard Ignition is a global manufacturer of original equipment ignition products. It maintains complete quality control throughout the manufacturing process, from componentry to the finished product.
- Copper alloy conductors: Deliver superior electrical conductivity with low resistive losses.
- Quality materials: Standard Ignition builds its full line of ignition switches from the finest materials for proper fit and function.
- 100% tested: Every part is checked to verify both mechanical and electrical switching performance.
- Robust design: High-grade materials are built to meet the stringent demands of today's service professional.
Signs this part may need replacing include:
- A key that sticks or won't turn
- A no-crank condition
- Dash lights and accessories that cut out while driving
These symptoms can have other causes, so diagnose the ignition circuit before replacing the switch.
Interchange: CS307 · LS593 · KS6505 · E7GZ11572A · E7GZ11582A · 19021145 · 89058045 · LC62171
This part cross-references / interchanges with the following part numbers:
CS307, LS593, KS6505, E7GZ11572A, E7GZ11582A, 19021145, 89058045, LC62171
