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Old Dec 8, 2021 | 12:06 AM
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Lightbulb C5 cluster questions

I am using a C5 LS1 for my swap. I want to use a C5 instrument cluster.
Before a chop up my dash to make it fit I have a few questions I am hoping to get some help with.
I do not plan on running a BCM.

I believe I need a 90 ohm sender for the fuel gauge. Can I just hook the sender directly to the gauge or does it run through the BCM?
How do I turn off the the DIC warnings for Traction Control, ABS, etc?

Thank you in advance for your time!
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Old Dec 8, 2021 | 12:44 PM
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Pretty sure you have to use the BCM for it all to work. I think those gauges use CAN signals. However it's possible that some of the early 97-98 cars use a direct gauge.
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Old Dec 9, 2021 | 09:06 AM
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Ryeguy2006a thank you for your comment.
I ran my engine on a running stand and hooked up the cluster. The temp, oil pressure, volt, and tach all worked fine. I am hoping I can just hook up the fuel sender and it will work.
Also trying to figure out how to turn off the ABS, Traction Control, etc errors shown on the DIC. I do not think I can turn those off with HPTuners.
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Old Dec 13, 2021 | 11:44 AM
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Back when I had a C5, the only way to disable some error messages (such as the TPMS system) was with a GM Tech2 scan tool. Not sure if you can actually program ABS and traction out.
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Old Dec 14, 2021 | 05:01 PM
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Originally Posted by LQ4-E39
Back when I had a C5, the only way to disable some error messages (such as the TPMS system) was with a GM Tech2 scan tool. Not sure if you can actually program ABS and traction out.
Thanks for the info. I will see if I can talk to someone with a Tech2.
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