Home > categories > Electrical Equipment & Supplies > Fuse Components > can u hurt a e.c.m. on a car using a test light checking fusses or 4 probing wires?
Question:

can u hurt a e.c.m. on a car using a test light checking fusses or 4 probing wires?

E.C.M. stands for electronic control modal

Answer:

Don't stick wires
Checking fuses is fine - probing the electronic module wires with a test light can easily short out an internal component.

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