C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

heater core

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Old Nov 12, 2006 | 07:27 PM
  #1  
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Default heater core

I just completely ripped my dash out to replace the heater core. I had some wiring that need repairing so im glad i did it. My question is...what is the relay thats behind the dash instrument panel? This the section above the radio and behind panel. i can see a fuse for the rear window also. Should I replace these before i go through the hassle of buttoning up the dash again. Also i want to test out the heater core and new radiator i put in for leaks so i was wondering i can start the car without any of the instrument cluster and various plugs i dissconnected on?
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Old Nov 12, 2006 | 08:08 PM
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The relay question might be more easily answered if people knew what you are working on. The best I can come up with is the horn relay. It ought to be fairly easy to check out or test. *I* can't think of any reason not to start the engine... if it will.

RACE ON!!!
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Old Nov 12, 2006 | 08:27 PM
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Yep, if we knew what year you're working on it would be easier to give an answer. I can tell you this, the heater core SHOULD have been checked before you put it in. Now is not the time to wonder if it's okay.
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Old Nov 13, 2006 | 01:18 AM
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sorry about that. Its an 86 automatic with Tune port.
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Old Nov 13, 2006 | 05:59 AM
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Originally Posted by PMARTINEZ92126
sorry about that. Its an 86 automatic with Tune port.
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Old Nov 13, 2006 | 06:02 AM
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Originally Posted by PMARTINEZ92126
i can see a fuse for the rear window also. Should I replace these before i go through the hassle of buttoning up the dash again.
No need to replace said fuse if it's not blown and is the correct rating.

Originally Posted by PMARTINEZ92126
Also i want to test out the heater core and new radiator i put in for leaks so i was wondering i can start the car without any of the instrument cluster and various plugs i dissconnected on?
No instrument cluster needed for the car to start up and run.
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Old Nov 13, 2006 | 09:59 AM
  #7  
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Did you take any pics. I have decided to take the long way with the heater core so i can tighten every fastener inside the dash.
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Old Nov 13, 2006 | 12:30 PM
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no, i didnt take any pictures but the car is still apart so i will before i put it back together.
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