A battery that tests good cold and fails hot, choosing a bench multimeter, voltage drop along a cable: measure the fault instead of replacing parts one at a time.
Auto electrics and measurement
Resting voltage says almost nothing about a battery's health. It is the load test, and voltage-drop measurements, that separate the battery from the wiring.
2 min readWarchti
Auto electrics and measurement
A bench multimeter need not be expensive, only honest: True RMS, the millivolt range, a clamp and fast continuity separate two instruments.
3 min readWarchti