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Old 09-28-2000, 04:37 PM
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Join Date: Aug 2000
Posts: 106
While checking for vac. leaks on my 83 300cd hvac syst. I burnt my finger on a vac. valve on the inside firewall, near the defroster pot and near what looks to be a computer, it's metal, has 2 rubber vac. lines and an elec. plug and gets very hot with key on and engine off. What is it? can I test it? It is very hard to get to, I can't see a vac. source for the 2 lines.
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Old 09-28-2000, 09:27 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
Many of them do get hot if the key has been on for a while. IF it is hot, it is energized.

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