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

96 Instrument Panel Lights

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Old Sep 1, 2018 | 03:20 PM
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Default 96 Instrument Panel Lights

Looking for advice on what normally has to be replaced on a 96 when the switch on the headlight that increases instrument panel brightness only works at certain points throughout the range. Lights work at nearly full intensity, but do not work at some points in between min and max brightness.
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Old Sep 4, 2018 | 08:24 AM
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Probably the switch itself, I don't thank anything else controls the brightness.
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Old Sep 4, 2018 | 09:39 AM
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Originally Posted by bac22
Probably the switch itself, I don't thank anything else controls the brightness.
Thank you
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Old Sep 4, 2018 | 07:46 PM
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Yeah, I just double checked my FSM, dimmer is a variable resistor that sends voltage to the CCM which controls the brightness...my guess would be switch is failing or just needs cleaning. Contacts points might have gotten dirty over time. Common problem with the HVAC controller as well.

Not the clearest PDF, but should give you an idea.
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Old Sep 4, 2018 | 07:50 PM
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Originally Posted by bac22
Yeah, I just double checked my FSM, dimmer is a variable resistor that sends voltage to the CCM which controls the brightness...my guess would be switch is failing or just needs cleaning. Contacts points might have gotten dirty over time. Common problem with the HVAC controller as well.

Not the clearest PDF, but should give you an idea.
Thank you very much. I will try taking it apart and seeing if it can be cleaned.

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