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Interior Light Delay Module

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Old Aug 20, 2017 | 09:22 PM
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C5atthebeach
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Default Interior Light Delay Module

Yep, its me again. I believe my 25 error on my 93 LT1 coupe is the Interior light delay module. All I see is the 84 thru 89 module, but no one mentions the 90 thru 96 module. I would rather not bypass it, and get replacement module but am open to both. does anyone know about where to get a replacement module, or how to bypass the one I have? Would the 84-89 work on a 93? I found the location and it kinda looks like the 84-89.
Plz help!
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Old Aug 20, 2017 | 10:01 PM
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Originally Posted by C4atthebeach
Yep, its me again. I believe my 25 error on my 93 LT1 coupe is the Interior light delay module. All I see is the 84 thru 89 module, but no one mentions the 90 thru 96 module. I would rather not bypass it, and get replacement module but am open to both. does anyone know about where to get a replacement module, or how to bypass the one I have? Would the 84-89 work on a 93? I found the location and it kinda looks like the 84-89.
Plz help!
DTC 25 for the CCM I'm quite sure discusses a CTSY RELAY and not a delay module. Are you using a '93 FSM?

You mention finding the location and you mention it looks like the early module ..... explain where you believe it is and maybe post an image of what/where you believe it is.
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Old Aug 21, 2017 | 05:44 AM
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I have an early Vette with the module in it. Someone wrote at one time that later C4's had the interior lights controlled by the ecm. Whether right or wrong, I don't know but check it out in your FSM to confirm one way or the other.
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Old Aug 21, 2017 | 06:24 PM
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From: OCEAN SHORES WA
Default Interior Light Delay Module

OK, thanks for the help guys. I "thought"
I found the module, but looking at it closer, NOT. I removed the glovebox and thought it was attached to the wiring harness, but it was another module. I do have a 92 and 93 FSM, and went thru it thoroughly.
Found that the light delay is controlled by the CCM, and testing it I found its not connecting with the relay/lights when the door is closed. Plus I found an Err when running diagnostics. So I am pretty sure I have a bad CCM. Does anyone know where to go for replacements, or a good,
reasonable shop for refurbishing?
Thanks again.
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