- 1). Consult the vehicle's instruction manual or schematic to determine the location of the vehicle's antenna and the point at which it's grounded to the chassis.
- 2). Disconnect the negative battery terminal by using the socket wrench and appropriate insert. Secure the loose connector with a couple passes of electrical tape.
- 3). Disconnect the antenna ground using the appropriate screwdriver, socket wrench or combination of the two. It may be necessary to apply a rust-inhibiting liquid to the connection if it is corroded in place. Let the liquid sit for a few minutes if this is the case. Clean the bolts and/or screws for the antenna ground with the rust-inhibiting liquid and steel wool, and set them aside in a safe place. They will not be needed until the antenna's ground is re-attached to the vehicle.
- 4). Clean the connectors with rust inhibiting liquid and sandpaper, making them as clean and contaminant-free as possible. Apply the rust inhibitor to the steel wool and rub the actual ground connection point firmly until bare metal is exposed.
- 5). Wipe off any liquid and contaminants from the grounding point with the clean cloth. Ensure the point is thoroughly dry, and re-affix the antenna's grounding hardware back to the bare metal. Tighten the connection as much as possible. Apply a dab or petroleum jelly to the connection to inhibit further corrosion.
- 6). Re-attach the negative battery cable with the socket wrench and appropriate insert.
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