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Both the positive and negative battery cables are 2 AWG wires in early '70s C3s. With the longer cable run in later year cars, their cable may be '0' AWG wire.
P.S. Welding cable is more flexible and easier to work with, but may be more money.
Both the positive and negative battery cables are 2 AWG wires in early '70s C3s. With the longer cable run in later year cars, their cable may be '0' AWG wire.
P.S. Welding cable is more flexible and easier to work with, but may be more money.
Didn't know about welding wire but will it have different gage strands in the '0' AWG than a battery cable itself? Now about the ends to attach them. Thanks for all replies Ed
Welding cable has finer wires inside which makes it more flexible. A local surplus store ( Mendalson's) used to have 0 welding cable by the pound and it was dirt cheap and I bought a bunch of it over the years,wish I would have stocked up.
The ends you can buy many places but the battery end I doubt you will be able to reproduce the factory molded end.
The only thing I don't like about welding cable is the increase in flexibility allows the cable to sag in the tunnel so you might have to add retainers so the cable doesnt rub the driveshaft.
If you go to a heavy truck new dealer (Peterbilt, Kenworth, Freightliner, Mack, etc) they can get made to length cables with molded ends. Maybe NAPA too. Takes a week or so. I got a 00 cable for mine from Peterbilt. It is no fun to route with the transmission in.
Don't remove the old cable by itself. Get a good crimp-type butt connector and connect the new one to the old one. Then pull the new one through when you remove the old.
Don't remove the old cable by itself. Get a good crimp-type butt connector and connect the new one to the old one. Then pull the new one through when you remove the old.
Don't remove the old cable by itself. Get a good crimp-type butt connector and connect the new one to the old one. Then pull the new one through when you remove the old.
Originally Posted by ED79
thanks ED
To be honest I haven't replaced a 79 cable but if it is anything like the earlier years there are clamps that must be removed to get the cable out. I doubt the cable will just slide through. Its not a fun job. Let us know.
Yes Sir: I found my cable was so tight, that I had to remove the bolts, in order to remove the straps. It was a pain, even with the trans. out. I bought the new cable at a G.M. dealer. Have a great one. Gene
Don't remove the old cable by itself. Get a good crimp-type butt connector and connect the new one to the old one. Then pull the new one through when you remove the old.
I soldered mine together with a propane torch, wrapped it with tape and pulled it through.