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#5
08-26-2011, 07:11 PM
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Re: 69 BBC Temp switch
Rick
The info you posted is good, however those are all "Sending units" that send a variable resistance output ( a thermistor) to a gage. 1993369 is a temp switch only, it is either open or closed to ground the red idiot light. I checked with Lectric Limited and they do not make a temp switch. The photo I posted and the one Dan posted, I do still believe those are older after market switches made of steel and zinc plated. I am going to assume that a OEM switch would be brass like the senders are and would most likley look the same. Mike 
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