Slimg60 0 Posted July 25, 2009 Please help. When I got my C back from having the new cooler, the rad fan had been moved and was wedged against the cowling, causing the fuse to blow. I have just been out to replace said fuse and as I slide the replacement into the holder, it popped in my hand. A voltage check later confirmed I have 12V across the fuse holder, dropping to 7-8V when I turn the ignition live. I only noticed the original fuse had popped when the temp crept up to a little over 100'C. Could this temp have knackered the the temp switch? Or is this likely to be some other gremlin :help: Quote Share this post Link to post Share on other sites
Slimg60 0 Posted July 26, 2009 Right, I've been out this morning and resistance checked the fan plug to earth. I found that the middle pin was only 500ohms with respect to earth. Is this right or could this be the cause of my problems :shrug: Quote Share this post Link to post Share on other sites
Supercharged 2 Posted July 27, 2009 What colour is the middle cable? I thought the earth was either pin one or 3 (should be brown) Quote Share this post Link to post Share on other sites
Slimg60 0 Posted July 27, 2009 Pin 1 or 3 (one of the outside pins) is defiantely earth, showing 0 ohms with respect to earth. The other outside pin shows as Open Circuit with respect to earth, I just thought it was unusual that the middle pin would show a low resistance. :shrug: Quote Share this post Link to post Share on other sites
Slimg60 0 Posted July 27, 2009 Had another look tonight. Pin 1 is has a brown wire, and gives 0 ohms resistance to earth. Pin 2 has a red/white wire, and gave 500 ohms to earth. Pin 3 has a red/black wire and is open circuit to earth. Is this normal? :help: Quote Share this post Link to post Share on other sites