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Old May 7, 2026 | 08:18 PM
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Jake koerkenmeier's Avatar
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Default Check gauges

I have a 99 frc and the crck gauges light will randomly come on and all my gauges will zero out.. I put an aftermarket radio in and when it flashes the radio will shut off but the car had the issue before I changed the radio. I have tried the ignition switch as well as cleaning all the grounds. I also have an airbag light that stays on and I noticed on a wiring diagram that the airbag module and the cluster are all one circuit. Anything helps, thank you in advance!!
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Old May 7, 2026 | 11:42 PM
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Originally Posted by Jake koerkenmeier
I have a 99 frc and the crck gauges light will randomly come on and all my gauges will zero out.. I put an aftermarket radio in and when it flashes the radio will shut off but the car had the issue before I changed the radio. I have tried the ignition switch as well as cleaning all the grounds. I also have an airbag light that stays on and I noticed on a wiring diagram that the airbag module and the cluster are all one circuit. Anything helps, thank you in advance!!
I've never seen ALL gauges go to zero. I have seen the oil pressure and fuel gauges go to the lowest setting simulaneously with the coolant temperature driving to the highest setting.
What do you mean you "tried" the ignition switch?
Post your codes.
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Old May 8, 2026 | 08:34 AM
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Years ago I had a similar problem, driving along on the road and suddenly everything went blank. Added Chevron additive and never had it again, but always keep a bottle in the trunk. Also now I only add Top Tier gas (93 octane in my area).
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Old May 8, 2026 | 09:52 AM
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Originally Posted by Gordy M
Years ago I had a similar problem, driving along on the road and suddenly everything went blank. Added Chevron additive and never had it again, but always keep a bottle in the trunk. Also now I only add Top Tier gas (93 octane in my area).
Ok.......what do you mean by everything? Someone is going to read this 10 years from now thinking a bottle of techron is going to solve major electrical problems or a problem on the serial buss.
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