× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: what do you think of this fuel pump waveform?
Posted to Tool & Equipment Forum on 11/3/2020 1 Reply

Is the capture showing 1 revolution of the pump or 1/2? The pattern has a "signature" that repeats. However, the pump motor has two brushes, so that bad spot on the commutator has to pass BOTH brushes (2 complete signatures) to complete 1 revolution, wouldn't ... Login to read more.

1 Replies Received (View Replies)