Paccar Throttle Jumper Harnesses for Bench Testing

Our Paccar throttle jumper harnesses let you bench-test throttle position sensor (TPS) communication with Paccar ECMs, enabling you to start the engine, idle up/down, and verify smooth throttle response right on the shop floor. This simple harness connects directly to our base bench harness and is wired for Paccar-specific throttle pinouts (MX EPA10/13/17 configurations)—a quick, essential step in conversions to catch any TPS signal issues early and avoid drivability problems like hesitation, no response, or codes after installation.

By adding this jumper, you confirm throttle circuit integrity before committing to the truck, ensuring reliable performance from day one in Peterbilt, Kenworth, or other Paccar-equipped builds.

Browse our Paccar throttle jumper harnesses below to add this capability to your bench setup. Pair it with our base bench harness and battery jumper for complete testing. Need help confirming MX compatibility or TPS signal verification for your conversion? Contact our team—we're here to assist.