Standard Ignition Ignition Switch P/N:US-105

Switch the ignition and starting circuits as the key is turned with the Standard Ignition Ignition Starter Switch, part number US-105, a direct-fit replacement for the listed applications. It fits many vehicles, among them the 1988-1994 Chevrolet C1500, the 1988-1994 Chevrolet K1500 and the 1969-1985 Chevrolet Impala. See the Buyer's Guide tab for the full list.

• Quality control from start to finish: Standard is a global manufacturer of original equipment ignition products and keeps quality control across the whole manufacturing process, from componentry to the finished switch.
• Copper alloy conductors: Used for strong electrical conductivity with low resistive losses.
• 100% tested: Every switch is tested to verify both its mechanical and its electrical switching performance.
• Robust design: High-grade materials are chosen to meet the demands of today's service professional.

Standard builds its full line of ignition switches from carefully selected materials, with the aim of proper fit and function. The switch routes power to the ignition circuits when the key is on and sends the crank signal to the starter in the start position.

Signs this part may need replacing: no crank when the key is turned to start, intermittent loss of power to the ignition or accessories, or a stall while driving. A weak battery, a failing starter or a worn lock cylinder can cause the same symptoms, so diagnose the cause before you replace the switch.