Here's what drives cars of the '80sâ the Electronic Computer Module(ECM).Typical GM unit has an analog board to run sensors, digital board for"thinking" and memory. Removable PROM(at left)calibrates ...

Some engine bays are as droolworthy as the cars they adorn, but under the twisty mechanical artistry lies an array of electronic wizardry to help run your car. The crankshaft position sensor is one of ...