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  #1  
Old 07-19-2010, 04:04 AM
drizler drizler is offline
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90 Silverado 2500 Fuse Marking Question

I have an old beat up 90 K2500 /350. Recently I started troubleshooting my dome light not working and noticed that the lowermost left fuse is marked "CRK" has a fuse in it but no power to either side. I doubt it has anything to do with lighting but wonder what the fuse is supposed to be doing. The only thing I can think of is crankshaft sensor but wouldn't that shut down the engine if it wasn't working?
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Old 07-19-2010, 11:13 AM
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Re: 90 Silverado 2500 Fuse Marking Question

It probably has voltage applied to it with the engine running.
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Old 07-22-2010, 07:04 AM
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Re: 90 Silverado 2500 Fuse Marking Question

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Originally Posted by tblake View Post
It probably has voltage applied to it with the engine running.
You have a point there, I should have thought of that myself. Will check it out, thanks.
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Old 07-22-2010, 10:03 AM
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Re: 90 Silverado 2500 Fuse Marking Question

Fuse no 15 is a crank fuse that may say CRK.

Pull it and see if the starer still works.

Fuse 7 CTSY light powers dome light glove box and radio.
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