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Old 07-04-2009, 11:49 AM
hmirall1's Avatar
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Default wiring diagram
Hi,
I need to find a wiring diagram for the cold start valve. Need to trace the negative side of it, what turns it on? Or where it connects to?

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Old 07-04-2009, 11:50 AM
hmirall1's Avatar
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Also this is for a 1992 300e
Thanks
 
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Old 07-20-2009, 11:47 PM
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thermo-time switch controls the length of time the cold start switch is enabled. Varies from about 8 seconds to 0 depending on engine temp. located under the intake manifold. may be your problem. good luck Dusty
 
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