This electronic car thermostat circuit described here regulates the air blower system of a car. When the temperature inside the car exceeds a certain preset level T1 tuns on the fan. A temperature ...

Know the circuit PCB and circuit diagram Photo by Getty If you’ve spent your DIY career working on vehicles of the pre-injected era, congrats; a lot of techs envy you.

02. Along with the harness, you’ll need the wiring diagram, and, as we did with engine wiring, we used a separate spiral notebook to keep track of every change made to the factory harness.