You have mail, Andy. Thanks. On Jul 6, 2:43 pm, "Andy Haworth" <[email protected]> wrote: > Neil I just chopped a fan switch connector out of the loom of the white 2+2 > with you in mind. Let me know if you need it. > > Escort CVH will also have the same one, it's in the top rad hose > > Reading up on the override switch from XR2 owners, they've done it with a 4 > pin relay and 10A fuse if that gives you something to work from > > Andy > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > > On Behalf Of barnacle > Sent: 04 July 2009 07:42 > To: Quantum Owners Group > Subject: [Quantum Owners] Re: Fan switch connector - Fiesta > > I don't believe it's under-bonnet heat, at least directly; I think > it's more to do with twenty-year old connectors not making a good > contact and arcing within the body of the plug. When I got the car the > connector was original and very fragile; I replaced it with one from a > scrapper that looked in somewhat better condition. The system failed a > couple of months ago and testing at the plug indicated it was the > switch which had failed, so I replaced that. > > Then yesterday on the way back from work (just half an hour through > rush-hour traffic and a quarter hour up the motorway!) it died again. > Overheating in town but bringing the temperature down once at speed, > as you'd expect if the stat and rad were working properly. As I was > going to the car shop anyway (battery for the Fiat) I bought a new > switch, swearing slightly... and discovered the connector has > overheated and glued itself to the previous switch. When eventually > removed, there is evidence of arcing on the connector (well, what's > left of it!) and the internal connection to the cable loom is > intermittent and position dependent. > > I haven't checked yet to see whether there should be a relay in the > circuit, or if the switch is intended to to manage the fan current > directly, but with my electronic engineer's hat on I'd say this is > evidence of overheating and failure due to excess inductive loads. > > It's perhaps significant that I've done as many miles in the last year > or so than the car did in the previous ten... > > Neil > > On Jul 3, 11:32 pm, Tony Pottrell <[email protected]> wrote: > > Indeed... > > > I have heard of them melting, but only when the fan is on for an > > extended time. Is your fan drawing more current than it should? > > > Andy Haworth wrote: > > > They shouldnt be melting! Although I have had some with slightly fragile > wiring. > > > > Whats the thermostat like? > > > > Andy --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/quantumowners?hl=en
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