Volvo RWD S90-V90 Forum

INDEX FOR 10/2025(CURRENT) INDEX FOR 9/2022 S90-V90 INDEX

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

Climate control fuse problem... S90-V90

Hey guys,

Ok, I've finally gotten a bit farther with the fuse problem for the ECC fan. I have confirmed that the fan is not the problem by unplugging it, installing a fuse and turning the fan speed selector. The 30A fuse melted in a short amount of time. So, I looked at the wiring diagram and discovered that the next thing to try was to unplug the ECC power unit. I did so, installed a new fuse and then turned the selector. Nothing happened to the fuse. So, from what I can see, this means the the ECC power unit is malfunctioning or it has a poor ground. Now, I don't know a whole lot about electronics so I wanted to hear what you guys think.

Oh, I don't understand what the Motronic (MFI) system control module has to do with the ECC system, it's connected to the ECC power unit (pink/white wire). I don't think it's the problem, but maybe?

Also, the pink/white wire has been repaired at some point before for an unknown reason and it currently has a small spot on it that is missing the insulation.

Thanks again for any help and/or ideas!
--
Chris. Halifax N.S. '98 V90 > 195K km, '94 964 > 88K mi. SOLD: '91 745T and '91 745 NA (I miss both of them!).






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New Climate control fuse problem and alt charging issue... [S90-V90]
posted by  CW  on Wed Apr 26 13:52 CST 2006 >


<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.