For photos, click on the links below:

The ground wire route underneath the bridge became round.

Other 1977 Telecaster bass characteristics: Headstock logo decal including an ® mark and serial number usually beginning with an "S7" applied under the finish (for more precise dating, cross reference the serial number with the instrument's neck butt stamp, pickup stamp and potentiometer codes), Schaller "open back" Fender name imprinted clover tuners with an ® mark and no rivet, bullet shaped truss rod adjustment, solid maple neck with skunk stripe, black plastic dot fret markers, medium jumbo fret wire, neck butt date etc. ink stamps, extra hole on neck butt for hanging while painting, 3 bolt F series neck plate with tilt adjust, non-contoured slab body, neck pocket paint stick etc., extra body holes in neck pocket for hanging while painting, humbucker pickup (often ink stamp dated), black/white/black vinyl pickguard with the volume and tone controls mounted directly onto it, metal foil ground shielding on pickguard horn underside, pickguard serial number sticker, thumb rest above E string, bridge cover, flat top knobs, one metal shaft CTS pot one plastic shaft CTS pot, blue drop tone capacitor, metal foil ground shielding in pots cavity, plastic wiring, input jack cup, small slightly raised string grommets on body back, two saddle metal bridge, black tolex case with silver plastic logo and orange or rust interior or rectangular plastic case with rust interior.