If you're working on a LLV postal truck, this video will show you how to determine if you've got a bad fuel pump or not. It's a quick diagnosis trick to determining if there's an electrical problem with the fuel pump, and first you need to take out the ECMB fuse, plug a jumper wire where it was, use a multimeter and labscope to see what's going on. The United States Postal Service (USPS) uses these trucks for all their postal deliveries, and if you're the mechanic working on it, this and the other LLV (Long Lasting Vehicle) videos will help you fix her up.
Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:
Be the First to Comment
Share Your Thoughts