Gunfreak25
Well-known member
- 1,561
- 620
- 113
- Location
- Yuma, AZ
Just got done doing a count. For those interested in making their trucks wiring 100% waterproof and brand new looking again. For the GMC M211's you'll need
110' of 14g wire
110 Douglas rubber grommets
110 Douglas bullet terminals
60/40 Rosin core solder
Soldering gun
Wire cutters
Knife or razor blade for stripping wire
Several rolls of 1/4" heat shrink tubing from harbor freight.
A propane torch to heat the shrink tubing.
And of course, reuse the little bushings.
Dialectric grease
After removing the harness to be repaired, first go over each connection and make sure the metal tag is there and is legible. Otherwise replace it with a piece of masking tape. Makes re-installation a BREEZE! Unwrap all of the old brittle electrical tape from the wiring. You'll see the wire is all factory fresh under the tape, unlike the exposed wire which gets brittle and crumbles when touched. Simply cut the wires about 5 inches BACK from where the electrical tape ends.
Strip a little insulation off, solder the new wiring on (always the same length as what you cut off). Apply a little shrink tubing to cover the splice. Remove 1/4" strip of insulation from each wire for the new terminal. I prefer to solder my terminals. Put a few pieces of solder in each terminal, hold it with pliers and heat it up until it melts. Just heat them back up and insert the wire when you want to install them, no special crimping tool necessary.
Before sliding the douglas shells and the steel bushings back on I give them a few hours in a tumbler with polishing media to clean them up. Wire wheel works too, or just set them out on cardboard and spray them with Eastwoods yellow cadmium paint. 1 can will do. Slide the shells and bushings onto each prepared wire, put a little grease on the terminal, slide the rubber grommet on. Done! It's quite time consuming, but you can do it inside on your table while listening to a little country music, I really enjoyed doing all mine.
When your all finished just tape everything back up and it will look and perform like brand new wiring again. The new rubber grommets keep everything 100% water proofed. The cost will be around $150 to redo your entire vehicle. You will usually have several grommets, terminals and some wire leftover for projects and repairs. Compare this to the cost of replacing EVERY foot of wiring on the truck. It would take nearly 500' or more of wire! You can see where the cost savings come into play doing this.
110' of 14g wire
110 Douglas rubber grommets
110 Douglas bullet terminals
60/40 Rosin core solder
Soldering gun
Wire cutters
Knife or razor blade for stripping wire
Several rolls of 1/4" heat shrink tubing from harbor freight.
A propane torch to heat the shrink tubing.
And of course, reuse the little bushings.
Dialectric grease
After removing the harness to be repaired, first go over each connection and make sure the metal tag is there and is legible. Otherwise replace it with a piece of masking tape. Makes re-installation a BREEZE! Unwrap all of the old brittle electrical tape from the wiring. You'll see the wire is all factory fresh under the tape, unlike the exposed wire which gets brittle and crumbles when touched. Simply cut the wires about 5 inches BACK from where the electrical tape ends.
Strip a little insulation off, solder the new wiring on (always the same length as what you cut off). Apply a little shrink tubing to cover the splice. Remove 1/4" strip of insulation from each wire for the new terminal. I prefer to solder my terminals. Put a few pieces of solder in each terminal, hold it with pliers and heat it up until it melts. Just heat them back up and insert the wire when you want to install them, no special crimping tool necessary.
Before sliding the douglas shells and the steel bushings back on I give them a few hours in a tumbler with polishing media to clean them up. Wire wheel works too, or just set them out on cardboard and spray them with Eastwoods yellow cadmium paint. 1 can will do. Slide the shells and bushings onto each prepared wire, put a little grease on the terminal, slide the rubber grommet on. Done! It's quite time consuming, but you can do it inside on your table while listening to a little country music, I really enjoyed doing all mine.
When your all finished just tape everything back up and it will look and perform like brand new wiring again. The new rubber grommets keep everything 100% water proofed. The cost will be around $150 to redo your entire vehicle. You will usually have several grommets, terminals and some wire leftover for projects and repairs. Compare this to the cost of replacing EVERY foot of wiring on the truck. It would take nearly 500' or more of wire! You can see where the cost savings come into play doing this.