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.
Here are some basic steps to follow when your water is not hot enough: Electric water heater. 1  Make sure that the power is connected. 2  Reset the thermostat. 3  Flush the heater to remove sediment from the tank. 4  Insulate the hot water pipes. 5  Replace the heating element or thermostat.6  Raise the temperature setting on the thermostat.ere are some basic steps to follow when your water is not hot enough: Electric water heater. 1  Make sure that the power is connected. 2  Reset the thermostat. 3  Flush the heater to remove sediment from the tank. 4  Insulate the hot water pipes. 5  Replace the heating element or thermostat.