Negative to Positive Inverter for Car Alarm installation

This inverter converts a negative (-) output to a positive (+) output for door locks found in most GM vehicles. DO YOURSELF OR AN INSTALLER A FAVOR AND GET THIS NEGATIVE TO POSITIVE DOOR LOCK INVERTER. It CUTS DOWN AT LEAST AN HOUR OF INSTALL TIME WHEN WIRING UP THE KEYLESS ENTRY PORTION OF YOUR CAR ALARM SYSTEM. EVERY INSTALLER RECOMMENDS THIS PRODUCT!!!! RELAYS ARE NO LONGER NEEDED TO CONVERT FROM NEGATIVE TO POSITIVE!

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