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Username Post: Fuse block power
Victor elec
Poster
Posts 17
10-11-18 07:03 PM - Post#2748466    

No power at parts of fuse block. Are there fuse links that power the sections of fuse block. If so where would they be located
redvett01
Senior Member
Posts 1234
redvett01
10-12-18 11:51 AM - Post#2748517    

And your model and year would help.
K1500 04 Silverado EXT

Victor elec
Poster
Posts 17
10-12-18 02:15 PM - Post#2748524    

Sorry in a rush when I posted. This for an 03 Silverado 1500 5.3 4X4
george88gta
"15th Year" Silver Supporting Member
Posts 1933
george88gta
10-12-18 03:34 PM - Post#2748528    

A quick look at the diagrams indicates that there is only one B+ input ( large red wire left, side of the block )to the underhood fuse block. Most of the connectors remove power from the block and transmit it to the various circuits. If you are really missing power to some sections of the block, you may have an internal failure ( very unlikely). Will look further, maybe someone else has better info.
wagonman100
Super Senior Member
Posts 14242
wagonman100
10-13-18 09:17 AM - Post#2748564    

I am assuming you are taking about circuits with fuses in them or that should have power but you have none. Not all vehicles have the same options and therefore have empty circuits in the box. Also some circuits only get power with the key turned on.
Jay
Friends don’t let friends drive Fords.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon
1957 Cameo Carrier

2plus2
Member
Posts 1203
10-13-18 12:34 PM - Post#2748579    

This
And there can be a bigger fuse feeding a few smaller fuses
69 Canadian Pontiac 2+2
factory L48 350 Chev,TH350,PW,PT
99 Silverado RCLB 4.8 NV4500 14BSF 4.10's locker 6" Procomp 35 bfg m/t's 9k winch cutout flares
07 Town Car Loaded,Tinted,Getting Bagged

Victor elec
Poster
Posts 17
10-19-18 10:53 AM - Post#2749057    

Thanks for your reply! So these fuses in question are labeled for certain components which have not lost power i.e. turn signal etc and these fuses were checked w truck running,and is the cab fuse block sorry for leaving important details out. Thanks you.
george88gta
"15th Year" Silver Supporting Member
Posts 1933
george88gta
10-20-18 08:35 AM - Post#2749112    

OK, lets try this approach. Tell me one or two circuits that arent working and I will look up the wiring diagrams. I should be able to attach the drawings to a post. Several of the dash left side fuse block circuits are fed thru connector 201, which feeds from the underhood block to the left side dash block. Most only work with the key in the "on" position.
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