#1
I've had an Ibanez SA260FM for quite a few years. It has a five switch selector, a tone push/pull pot, and three pickups. I had an SH-6 put in quite a few years ago by a professional. The middle pickup had never worked until I decided to fix it myself recently. In fixing the middle pickup's wiring I noticed that the switch selector is messed up.

Let's say position 1 is only neck, and 5 is only bridge.

Position 1 works properly. uses only neck
Position 2 uses all 3 pickups
Position 3/middle uses middle and bridge
Position 4 same as position 3
Position 5/bridge uses bridge

As well the push/pull pot seems to be backwards as it sounds like the full humbucker is engaged when the pot is pulled up (this has been a problem since I got the SH-6 originally put in, but it never bothered me until now).


Any help would be great, thanks.
#2
Sounds like the person may have buggered up the wiring during the install. If you're able to check for yourself, this is the wiring diagram from Ibanez for the 260FM. I would verify if everything is wired to the switch and the push/pull pot properly.

Diagram: http://www2.ibanez.com/supportResources/wiring/2006/SA260FM.pdf


Keep in mind, the wire colors from your SD HB might be a bit different to the Ibanez one.
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#3
Use this to translate the wire colors from Ibanez to SD - https://www.ultimate-guitar.com/forum/showthread.php?t=1681767
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