DEFA SafeStart Engine Block Heater replacement

After noticing rather lacklustre performance from my engine heater, I contacted DEFA to see how to see how I could diagnose the problem.  I checked continuity from the power cable and inter-connector all the way to chassis/ground, so power was getting to the unit. Knut from DEFA provided a handy photo (from my blog!) with … Continue reading DEFA SafeStart Engine Block Heater replacement