The Honda newsgroups have seen a fair amount of reports of
the timer for the cooling fan failing. The solution is to
replace it. Group.google the archives. Also, see the
troubleshooting procedure for cooling fan controls at :
http://media.honda.co.uk/car/owner/m...400/16-103.pdf

It's for a 91-93 Accord, so it may not dead-on duplicate
your 90 Accord.


Do not let the car overheat again. You are putting your
Honda's head gasket at great risk, resulting in an expensive
repair.


"vancehuff" <vancehuff@yahoo.com> wrote
>I recenlty noticed that my 90 accords cooling fan was
>running hours
> after I turned the engine off, and kept running until the
> battery was
> dead. I recharged the battery and started unpluging
> sensors while the
> fan was running to locate the problem. When that didnt
> work I
> unplugged the cooling fan relay located in the fuse box
> under the hood.
> That finally shut the fan off. I then noticed that I
> could here some
> clicking while I was replacing it. Nothing unusal, but it
> continued
> clicking after it was pluged in (and the fan continued to
> run). I
> unpluged the relay and called it a day. The next morning
> I pluged the
> relay back in and the clicking noise was gone, and the fan
> wasnt
> running. I thought the problem fixed itsefl until I drove
> it to work
> and the damn thing started overheating. Now the fan wont
> come on at
> all. I replaced the relay, and that didnt work (no
> clicking either).
> I dont think there is any power going to the relay, but I
> dont know how
> to check for that. I was told that it could be a bad
> cooling fan
> switch that screws into the radiator. I was going to
> replace that next
> but I want to get some professional feedback before I
> start replacing
> parts. Any advice would be much apreciated.
>