iplayloudly
Active member
Is it as simple as soldering the black and white wires to the same places as the old cord, and putting the ground wire on the chassis? Or is it more complicated than that?
blackba
Well-known member
http://vintageamps.com/plexiboard/viewt ... hilit=cord
You need to run Line (L1) through the fuse and switch. Neutral goes directly to the transformer. Ground goes to a bolt on the transformer.
http://www.theguitarfiles.com/guitarfile644.html
You need to run Line (L1) through the fuse and switch. Neutral goes directly to the transformer. Ground goes to a bolt on the transformer.
http://www.theguitarfiles.com/guitarfile644.html
FUZZboat
New member
http://archive.ampage.org/threads/1/gamt/027385/3_prong_AC_plug_for_old_Fender_amp-1.html
got this from ampage:
Green wire : solder a ring terminal to the end. Bolt securely to chassis using its own steel bolt and a shakeproof (star) washer. Scrape chassis clean at bolt location before installing, to ensure good contact. Install a good strong strain relief on the cord to prevent it from pulling out. At the very least, tie a knot in the cord inside the chassis. Leave the green wire the one with the most slack, so if the cord does get pulled out, the other leads rip out first.
Instead of its own bolt you may alternatively use one of the power transformer mounting bolts, but the dedicated bolt is preferable as long as you are willing to drill a new hole.
Black wire : first to the fuse, then the fuse connects to the power switch, then the power switch connects to the power transformer.
White wire : connect to the remaining power transformer primary (the power transformer primaries are probably two black wires, they will have been connected to the old two-wire AC input circuit.)
With you new cord disconnected from the wall, verify that there is no continuity between the black or white wires and the chassis. Verify that the resistance betwen the black and white wires is >0, maybe 200 ohms or so. Verify that the resistance between the ground prong on your power cord at the wall end and the chassis is *very* *very* low - ideally less than 1 ohm (first see what your meter reads when you short the two probes together, this is often not equal to zero ohms. Then make sure your ground wire measures less than one ohm more than that reading.)
Do not connect to the old death cap and ground lift switch connections, just leave them in there for future collectors who may want to be electrocuted.
Plug her in and let her rip.
got this from ampage:
Green wire : solder a ring terminal to the end. Bolt securely to chassis using its own steel bolt and a shakeproof (star) washer. Scrape chassis clean at bolt location before installing, to ensure good contact. Install a good strong strain relief on the cord to prevent it from pulling out. At the very least, tie a knot in the cord inside the chassis. Leave the green wire the one with the most slack, so if the cord does get pulled out, the other leads rip out first.
Instead of its own bolt you may alternatively use one of the power transformer mounting bolts, but the dedicated bolt is preferable as long as you are willing to drill a new hole.
Black wire : first to the fuse, then the fuse connects to the power switch, then the power switch connects to the power transformer.
White wire : connect to the remaining power transformer primary (the power transformer primaries are probably two black wires, they will have been connected to the old two-wire AC input circuit.)
With you new cord disconnected from the wall, verify that there is no continuity between the black or white wires and the chassis. Verify that the resistance betwen the black and white wires is >0, maybe 200 ohms or so. Verify that the resistance between the ground prong on your power cord at the wall end and the chassis is *very* *very* low - ideally less than 1 ohm (first see what your meter reads when you short the two probes together, this is often not equal to zero ohms. Then make sure your ground wire measures less than one ohm more than that reading.)
Do not connect to the old death cap and ground lift switch connections, just leave them in there for future collectors who may want to be electrocuted.
Plug her in and let her rip.
MrDan666
Active member
FUZZboat":1v27ccro said:
