You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
When making changes to anything electrical it is important to have a diagram. A wiring diagram for a the fuse box in a 1976 Chevy can be found in the cars maintenance manual.
need picture of fuseblock for 1986 chevy k10 pickup
Try MOTORLIT.COM yyou can get either a wiring diagram or owners manual which will have it.
You can find a 1999 Chevy Tahoe engine fuse block wiring diagram in the car's owner's manual. You can also find it at most auto part stores.
In a wiring diagram or owners manual. Both can be gotten from MOTORLIT.COM
i have the the full wiring diagram for the entire truck i can e mail you
73 chevy c-10 350 v8 need fuse box wiring harness color coded diagram
check google images
Try Chilton's Electrical Manual
You can find a fuse block diagram in either a Chilton manual, a Haynes manual or a factory service manual.
go to Autozone online. They have repair info as well as wiring schematics
It should be in your drivers manual.