| [GMCnet] Sensor? Control? What is it?? [message #80486] |
Tue, 13 April 2010 17:51 |
Ken Coit
Messages: 151
Registered: November 2005
Karma:
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Senior Member |
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I have pored over the wiring diagrams to no avail.
At the front of the head on the 403, near cylinder #2, there is a sensor or
control with two wires and a vacuum-hose sized port. the port seems to have
been enclosed in a foam filter, but only remnants remain.
What is it?
Is there a vacuum connection or is the port to be left open to the ambient
air?
If the filter needs to be replaced is the part available or shall I just
cannibalize some open cell foam filter?
Thanks,
Ken
--
Ken Coit, ND7N
Raleigh, NC
Parfait Royale
1978 Royale Rear Bath, 403, 3.07
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