I have never heard of a time-temperature switch being damaged due to excessive heat. However based on your test results it appears that your switch may be defective. This part is not very expensive; why not replace it and keep it as a spare if its replacement does not correct the problem. "We're here to help you" DMC Help / De Lorean Services / <dmchelp@xxxx> Web Site: <www.deloreanservices.com> . ----- Original Message ----- From: Robert Rooney <dmcvegas@xxxx> To: <dmcnews@xxxxxxxxxxx> Sent: Saturday, July 08, 2000 10:01 PM Subject: [DML] Thermo Time Switch > Can extreme heat damage a new thermo time switch? Ever since my car > blew it's otterstat and overheated, I've had starting problems which > have gotten progressivly worse. When the engine is cold to mild, it > will not turn over with out swapping plugs to fire the cold start > valve. And from here it can still take 1-2 additional cranks to get > it going. But, if I insert a jumper wire to ground the thermo time > wire, or if I swap the plugs BEFORE I crank the engine, the engine > fires up in 1-2 seconds. About 10-15 seconds after the motor then > starts to sputter untill it warms up, but I believe that this may be > caused by a clogged Control Pressure Regulator. Although it didn't > exceed it, the motor did reach 260 degrees when it overheated. > > -Robert > vin 6585