Modern Cars Redefining Control with the Precision of Rheostats

Christchurch, South Island, New Zealand NZL. Hi, Im like to know ... However, as often happens with other changes it may have been in late 73 cars as well. This is because of their relatively low efficiency. In power control applications, they have been replaced by switching electronics. As a variable resistance, ... The older cars used a rheostat, this is just a more modern version. Now, the problem is in the process of adding some new gauge hardware, I ... Have you looked at the wiring diagram? Yes, repeatedly, but they show a static system, not what does what at different settings. Now that you've ... Part number 78405-knob will ... Have a Question or Comment of your own? Click here! Question: Is this the same type of switch used on the early Mini 59/60 cars? You should not need to. At the brightest setting when the knob is turned all the way, the rheostat is bypassed. If for some reason, that is not ... It has been tried but it will not work... well, it might work but only until it fries your motor due to lack of power. Remember Me? Password. Members Cars · Help · Calendar · Mark Forums Read. Notices. Welcome ... By joining our free community you will have access to post topics ... Looking at schematics it does appear that the rheostat also feeds the center console lamps so all indications point to it. I have the dash ... Rather the "rheostat" seems to input its value into the CAN-bus of the vehicle, and the ECU then varies the voltage or current supplied to the ...