Dating vintage fender pots
Since several models can share one chassis type (for example, the early brown 5G7 Bandmaster, 5G5 Pro and 5G12 Concert), this kind of interpretation is inaccurate.
Instead, there were approximately 2000 of these chasses produced, which then ended up as one of the three models in question.
Pot Codes: MMMYYWW Example: 1377818 - In 1977 found on the side of the pots, moved to the bottom (and unfortunately sometimes covered with solder) in 1978.
The first three digits refer to the manufacturer, CTS.
Offers a wider tone variation than standard tone controls. "Tone up" and modify your favorite guitar or bass with an S-1 Switch from Fender. Offers up to 25db of variable mid-boost for extra hot output when you need it.
006-1261-000 Genuine Fender 500K Solid Shaft S-1 Switch. 005-3736-000 (1) Genuine Fender 100k concentric stacked pot. Upper shaft is 3/16"(4.7mm) diameter and lower shaft is 1/4"(6.3mm) diameter. 005-7577-000 Genuine Fender active unit used on the Clapton Signature Series. and Mexico) requiring a split-shaft mini potentiometer.
Includes a .022mfd capacitor, 1 meg resistor, mounting hardware, and installation instructions. 005-4458-000 Genuine Fender Top-quality potentiometer used on Fender instruments. Originally featured as an upgrade to American and American Deluxe Series guitars and basses in 2003, the S-1 switch allows a multitude of tonal options for your instrument. TBX tone control pot is included for added tone-shaping power. Potentiometer shaft is slightly longer for guitars with potentiometers that mount directly to the body (instead of the pickguard). The second pair of digits are the week, but I have seen one example where the second digits were 72.The third pair of digits are definately known to refer to the year.Some dealers simply go by the serial number, which you will discover can be far from accurate.Some might go by the pot codes, but those could have been stock a year or more old by the time they were put into the newly finished guitar.