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Mystery Plug
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jsloan
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Anyone seen this plug and know where it goes?


~Jeff~

1984 28' Regal P30
 
Posts: 148 | Location: Mississippi | Member Since: 09-13-2009Reply With QuoteReport This Post
Bill N.Y.
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Looks like vacuum lines... Check your A/C control switch.


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Tom and Julie
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Bill is correct. Those are the actuator lines to the dash air/heater vacuum motors that move the flaps on the heater system. They get vacuum from your pump (if diesel) or the engine, if a gasser. They plug into the back of the ac switch. There is one more with two hoses that also connect to another port.


1993 32' Regency Wide Body, 4 speed Allison Trans, Front Entry door, Diamond Plate aluminum roof &
1981 Euro 22' w Chevy 350 engine and TH 400 tranny
 
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K&E
Supporting Member of Barthmobile.com 8/10
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A/C HVAC Vacuum lines in Dash

FYI: I just spent several hours working on this vacuum plug on my 1984 P32 chassis. My plug had broken and I couldn't figure out which colored vacuum lines went where. SO HERE IT IS!!!

Let's call the top row of 4 holes "A",
A1, A2, A3, A4
Let's call the bottom row of 3 holes, "B"
B1, B2, B3

A1 is the Blue vacuum line
A2 is the Red vacuum line
B1 is the White vacuum line
B2 is the Black vacuum line

A3,A4,& B3 are not used.

The control unit is from a 1980's MOPAR vehicle.
Double check the unit as some had "BILEVEL" and some did not. Some, you pulled out the "AC" switch for vent. Be sure yours matches.
 
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