Hello,
My wife has a 2006 DS 250 and last time out the overheat lamp came on after a short ride of about 15 minutes. We ride in North Florida, but have had this out for hours on hot days with no issues and it was nice and cool this day (maybe 65 degrees). So first thing I did was check the reservoir and didn't see any water, so added water to that. It had been off for a few minutes so the light was off and we rode back but the light came back on.
So what I have done thus far is clean the radiator from any mud and checked to make sure it didn't lose water. I did notice that the fan wasn't coming on, but I honestly don't ever recall the fan coming on. It probably has been, but just didn't notice since I don't ride it and assume it should come on when the overheat lamp comes on.
Then when I go to check the fuse I notice a ton of leaves under the seat, and then remember a dead mouse we found in the shed, so believe he built a nest in the two weeks since we rode it. Fuse was good but did see some wires chewed on to that little electrical box near the fuse box (don't know what it is yet). The copper was showing, but appeared to be Ok as far as not having an open. Also didn't see any places where it would be shorting, either to themselves or to ground. I then hardwired the fan directly to the battery to make sure it worked, and it does.
I have ordered a service manual, but thought I would try the forum while I waited for it. I'm thinking it's either the temperature sensor at the bottom of the radiator (that I read about in another thread) or maybe the box near the buse box is some sort of solenoid and could be bad. I thought someone that may know more about these than I do might be able to offer some tips to figuring it out rather than just shotgunning parts, or maybe I'm heading down the wrong path with this fan thing all together?
I'd appreciate any tips or advice you might be able to offer. Sorry for the long question, but I've found that most times people don't put in all the details needed to come up with any conclusions so I was trying to be thorough. Thanks.
My wife has a 2006 DS 250 and last time out the overheat lamp came on after a short ride of about 15 minutes. We ride in North Florida, but have had this out for hours on hot days with no issues and it was nice and cool this day (maybe 65 degrees). So first thing I did was check the reservoir and didn't see any water, so added water to that. It had been off for a few minutes so the light was off and we rode back but the light came back on.
So what I have done thus far is clean the radiator from any mud and checked to make sure it didn't lose water. I did notice that the fan wasn't coming on, but I honestly don't ever recall the fan coming on. It probably has been, but just didn't notice since I don't ride it and assume it should come on when the overheat lamp comes on.

Then when I go to check the fuse I notice a ton of leaves under the seat, and then remember a dead mouse we found in the shed, so believe he built a nest in the two weeks since we rode it. Fuse was good but did see some wires chewed on to that little electrical box near the fuse box (don't know what it is yet). The copper was showing, but appeared to be Ok as far as not having an open. Also didn't see any places where it would be shorting, either to themselves or to ground. I then hardwired the fan directly to the battery to make sure it worked, and it does.
I have ordered a service manual, but thought I would try the forum while I waited for it. I'm thinking it's either the temperature sensor at the bottom of the radiator (that I read about in another thread) or maybe the box near the buse box is some sort of solenoid and could be bad. I thought someone that may know more about these than I do might be able to offer some tips to figuring it out rather than just shotgunning parts, or maybe I'm heading down the wrong path with this fan thing all together?
I'd appreciate any tips or advice you might be able to offer. Sorry for the long question, but I've found that most times people don't put in all the details needed to come up with any conclusions so I was trying to be thorough. Thanks.