The power distribution center, or fuse block, located under the hood houses most or all of the vehicleâs fuses and relays. It contains a relay for the ECM that is powered up when the ignition key is turned to the on position. This ECM power relay acts as a switch that supplies power to the ECM.
How to Tell When It's Time to Replace Your Water Heater. A water heaterâs lifespan depends on several factors, including water quality, water temperature, and maintenance. As such, lifespans vary anywhere from 8-15 years.
Mobile home water heaters can be quite complicated to replace. It is important to know the facts about mobile home water heaters before you begin. Not only is it important to measure the space available for a new water heater since they come in so many shapes and sizes you will also need to make sure you get the right type of water heater for a mobile home.