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What sensor is in pass. side head??

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Old 07-07-2003, 09:32 AM
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What sensor is in pass. side head??

Just wondering what sensor is in the pass side head??? If it matter's it is a 91 L98.

Last edited by 91wtROH17's; 07-07-2003 at 09:35 AM.
Old 07-07-2003, 09:36 AM
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That would be the primary cooling fan switch.
Old 07-07-2003, 09:42 AM
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Thanks Kaz, the wire popped out when I changed the plug wire's, I could'nt tell if there was more than one sensor in the head.
Old 07-07-2003, 10:06 AM
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Your very welcome. Yeah things like that can get confuseing at times.
Old 07-07-2003, 11:16 AM
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Actually it's the secondary cooling fan switch.
Old 07-07-2003, 11:19 AM
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Originally posted by 8Mike9
Actually it's the secondary cooling fan switch.
That would be on the driverside head, no?
Old 07-07-2003, 11:26 AM
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Driverside switch is the Temp Sending unit for the temp gauge.

Primary fan is controlled via ECM, from CTS located at the front of the intake manifold.
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