Thanks for taking the time to reach out to us! Are you referring to the Strat or Telecaster Tex-Mex pickups? In the event that you are referring to the Telecaster, The Ground wires would be grounded to the same body ground on the underside of the bridge/ bridge pickup. A jumper wire would lead from the claw under the bridge to your control cavity. The Bridge ground wire is sometimes attached to the same claw (Picture attached) this "Claw" is secured with a small wood screw... I do hope that this answers your questions, Please feel free to reach back out to me directly with any questions you may have...
Regards,
Kyle Foot -
Consumer Relations /U.S. Direct Sales
Fender Musical Instruments Corp.
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