73-87 Chevy _ GMC Trucks > Electrical

Gauge fuse current rating?

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Scaryfastatx:
Hey everybody, curious what current rating is the factory fuse on the gauges circuit?

My original fuse block had a 20A fuse on there

But my American Autowire Classic Update schematic and instructions say it needs to be 5A

But it's randomly popping. I checked the cluster and everything seems fine

Thanks

JohnnyPopper:
Try an amp test and go with a fuse that's 20% higher.

bd:
Per the 1981 C10 factory wiring manual, the "GAUGES" fuse is 20 amps.

JohnnyPopper:
What size fuse are you using?

Scaryfastatx:

--- Quote from: JohnnyPopper on December 05, 2023, 09:33:07 PM ---What size fuse are you using?

--- End quote ---

5A it's been fine the last week or so. I think maybe hot swapping the fuse for the courtesy light caused it to pop maybe

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