The “Full Speed or Nothing” Failure: Rebuilding Your Drill
The GSB 13 RE Impact Drill and the GBM rotary series are legendary for their durability. However, the one component that absorbs the most abuse is the Trigger Switch (Part # 2607200623). Every time you drill into concrete or drive a screw, fine particulate dust is sucked into the tool’s cooling vents. Over time, this abrasive dust mixes with internal electrical arcing, permanently scarring the variable-speed resistor board inside the trigger.
When this happens, your tool will usually suffer from one of two symptoms: it completely dies, or it loses all low-speed sensitivity and only fires at maximum RPMs. You don’t need a new drill. You just need to replace the brain of the electrical pathway.
This Premium Aftermarket Trigger Switch Assembly is the exact direct-replacement part you need. It bypasses the burnt factory circuits and instantly restores the smooth, linear power curve required for delicate metal tapping and aggressive masonry drilling alike.
Tech Q&A: From the Mechanic’s Bench
My drill stutters and sparks heavily when I press the trigger. Is this the right part?
Heavy sparking usually points to worn-out carbon brushes, not necessarily the switch. However, if your drill stutters and cuts out entirely at certain trigger depths, the internal contacts of the switch are definitely compromised. We recommend replacing the 2607200623 switch and checking your carbon brushes simultaneously.
Does this switch include the reversing lever?
This unit is the main electrical switch block. You will reuse your existing mechanical forward/reverse plastic lever, which simply snaps or rests on top of this new switch assembly during installation.
Is soldering required to install this?
No. The 2607200623 utilizes standard push-in or screw-down wire terminals. You simply transfer the wires from your old switch to the identical ports on this new aftermarket unit.
Critical Installation Notes
- Take a Wiring Photo: Before pulling the old switch out of the handle, take a clear photo. Corded drills have tight routing channels. If a wire sits on top of a channel rather than inside it, the plastic housing will pinch and cut the wire when you screw it back together.
- Unplug the Tool: Never perform electrical continuity tests or attempt to swap a switch while the tool is connected to a power source.
Yes, this aftermarket trigger switch is fully compatible with the GSB 13 RE impact drill, as well as rotary models like the GBM 6 RE, GBM 345, and GBM 3500. It is an exact replacement for OEM part number 2607200623.
When a drill loses its variable speed control, the internal resistor board or MOSFET inside the trigger switch has short-circuited or burned out. Replacing the complete switch assembly is the only way to restore lower-speed functionality.
Sí, este interruptor de velocidad variable (aftermarket) es un reemplazo directo y exacto para la pieza 2607200623. Funciona perfectamente en los taladros GSB 13 RE, GBM 6 RE y otros modelos compatibles para restaurar el control de potencia.

















