Trans issues.

[Conker09]

So I have a 1997 gmc Sierra with an aftermarket vortec 350 in it. I'm getting error cobes p0740, 0753, 0758, 0785, and 1860. I watched a video on YouTube video. https://youtu.be/QAJyRliciQU  

This was helpful in explaining my issues but where is my "fuse 47". Looked at my fuse pannels to see if maybe it was labeled similarly. But that was not the case. Figured I'd ask yall and see if I can get pointed in the right direction. Thanks in advance.

[east3021]

The diagnostic charts for those codes all reference TRANS fuse #20 (10Amp). You can get a subscription to alldatadiy.com for around $30/year. It has the diagnostic tables for each of these codes, it may be worthwhile looking into.

For example, here is P0740 for a 98.










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