Question about Car Audio & Video
There are 4 terminals/ leads on the old switch [one doubled up black] with 3 wires [black, purple, blue]connecting to a CHN 418 transistor or resistor [sorry, I'm not an electronics whiz]. is the resistor absolutely necessary?
Posted by Anonymous on
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Posted on Jan 02, 2017
The black goes to the L connection the others are a guess. You can do this two ways. Connect the colored wires in any sequence and then see what switch sequence give you high and lowest, the other one will be medium. Once you determine that, mark the wires with a piece of masking tape as high, medium and low. Otherwise you connect them, turn power on and use a multimeter to see which color gives you the highest voltage and which gives you lowest. Since you aren't comfortable using live wires and a meter, go with the first option and use the process of elimination to find the wires giving you the speeds you need to find the highest and lowest. Next, you need to determine how your switch sequence works. First pull has to give you highest speed. so you may end up wiring them in reverse if your first attempt is backwards. There is a reason the first pull needs to be highest, it powers up the motor so you can then chose a lower setting. A low setting first will over tax your motor and wear it out eventually as it has to work harder at first.
Let me know if you need further clarification and perhaps this is all you need to get fixed.
ps I checked on the Internet of a wiring diagram and I bet you did tok all to no avail.
Posted on May 27, 2008
OK .. the thick black and white are the power for the fan , are there also white wires on the lamp sockets ..??
The thick black wire should connect to the black wire on the switch.
The small black wires connect to the red and blue wire on the switch .. two small black wires each .. that should give you a position for 2 lights , and 4 lights, on the step switch .. but there should be white wires from the lamp sockets connected to the thick white from the fan .
please respond .
Please Vote !!
Posted on May 25, 2010
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