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Author Topic: Heater Actuator vacuum Connections  (Read 3487 times)

Offline pcwizard

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Heater Actuator vacuum Connections
« on: June 05, 2010, 09:35:33 pm »
I removed my heater box to replace the heater core and I have everything back in but there are 2 vacuum lined that go on the back actuator near the firewall. One is Black w\ white stripe and the other one is Black w\ blue stripe and I dont remember how the connect on the back actuator as for as which one goes on which port. Please help as I am in the middle of installing complete change over harness and I need to get these connections right the first time. Thanks in Advance, pcwizard. ???
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Offline ron350

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  • Posts: 43
Re: Heater Actuator vacuum Connections
« Reply #1 on: June 05, 2010, 10:34:57 pm »
Hello pcwizard

What year truck and with or without A/C?
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1975 C10 step side stock with 350 two bbl. & 350 trans.

Offline pcwizard

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  • Posts: 5
Re: Heater Actuator vacuum Connections
« Reply #2 on: June 05, 2010, 10:37:10 pm »
1987 with A/C Thanks, Brent.
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