Simple Tests for Electric Pump, PWM, & Harness Issues

Not sure what’s causing your system to act up? This video walks you through some quick and effective tests to help you pinpoint whether the issue is with your electric pump, PWM control, or wiring harness.

These are the same diagnostics our tech support team uses to get to the root of a problem—fast.

🎥 In this video, we cover:

How to check if your electric pump is running properly

Basic voltage and continuity tests on PWM signals

How to test your harness for broken wires, poor connections, or shorts

Common symptoms tied to each component

Step-by-step troubleshooting with minimal tools

If you’re experiencing weak flow, no response, or inconsistent operation, these tests can help you figure out where to start—and possibly fix the issue yourself.

🔧 Pro Tip: Start simple. Loose connections or damaged harnesses are often the culprit.

👉 Still stumped? Contact our support team and let us know what you found—we’re here to help.