Resistor Values in the Ranco AC controller
Resistor Values in the Ranco AC controller
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m2500tvr

Original Poster:

180 posts

310 months

Tuesday 27th May 2008
quotequote all
The air conditioner control unit in my '85 280i had long ago blown up a diode, or a resistor, or both. I've bought a kit of parts to rebuild the controller board, but I'd like to confirm the value of one of the resistors. I need to know for certain the values/color codes of the resistors near the diodes. I can send a picture or provide further clarification.

Thanks!

- SJ

jeff m

4,066 posts

288 months

Tuesday 27th May 2008
quotequote all
Veiw the resistor withe three lines close together on the left.
First two lines are values
Third line is a multiplier

Next line is tolerance usually gold or silver, 5 or 10%

Fifth line is quality, related to wattage, but the high wattage ones are the big grey buggers.

Values
Black 0
Brown 1
Red 2
Orange 3
Yellow 4
Green 5
Blue 6
Violet 7
Grey 8
White 9

Or......just take the board to Radio Shack and look for a nerdy assistant.




m2500tvr

Original Poster:

180 posts

310 months

Tuesday 27th May 2008
quotequote all
Thanks. I should have been more specific. I can't read the codes because the resistors are burned/charred badly. I'd like the confirm the values of the resistors around the 1N-type diodes "above" the relay.

- SJ