The wiring connections and colors match up. This video explains how to replace a 2 lamp ballast, specifically for T5 lamps. Replace the fluorescent light ballast in four steps. Unscrew the cap nut and remove the old ballast. Photo 3: Unscrew the old ballast. Replace. Hold the new ballast in place, and attach it to the fixture. Replace 1. Replace 1 Lamp Series Ballast with 2 Lamp Series. Remove ballast from the fixture. Older homes often are chock full of fluorescent lighting, from kitchen to garage lights. Remove the fluorescent ... Photo 2: Cut the old ballast wiring. How to Replace 2 Lamp Series Ballast with Parallel 2 These diagrams show a variation of 2 lamp series ballast wiring one of our readers encountered. 2 Lamp Instant Start Ballast. These lights commonly have an electronic ballast installed … If a different type of ballast is being used, follow the wiring diagram on the ballast and change the wiring to the tombstone as necessary. How to replace a Circline ballast: NEW: See this document for directions on rebuilding LG/GoldStar gb4x32 277v Instant Start Electronic Ballasts Once you have determined that you need to replace your ballast (see troubleshooting) the next step is to determine the replacement ballast that you will need. With the wires all attached, replace the ballast cover, lamps and any lens that was removed. Lamp Series Ballast with 2 lamp Parallel. When possible, opt for an electronic ballast, which is more efficient and quieter than older magnetic … Step 7 – Replace the Old Ballast. Remove the Ballast Support the ballast with your hand to keep it from falling while using your socket wrench to remove the nuts/bolts. How to Replace 1 Lamp Series Ballast with 2 lamp Parallel A 1 lamp rapid start (series) ballast can be hard to find, but it can be replaced with a 2 lamp instant start (parallel) ballast. Get free 2-day shipping on qualified Replacement Ballast, Replacement Ballasts products or buy Lighting department products today with Buy Online Pick Up in Store. Replacing a ballast of the same type (2 lamp with 2 lamp, parallel with parallel) is fairly simple. A replacement ballast can be found either by taking the part number from the ballast or by removing the ballast and taking it to a lighting supply store for a replacement. Unplug the fixture or turn off the power at the main panel. Photo 1: Remove the bulbs and fluorescent light fixture cover. Then connect the ballast wires to your new ballast as they were connected to the old one, using the wire nuts from the old wires. Match the color of the fixture wires with colors of the ballast wires. Make sure the new ballast matches the wiring diagram, voltage, and current of the old one (these details can usually be found on the old ballast). Factory wiring. How to Replace 2 Lamp Parallel Ballast. Ballasts. A 2 lamp series magnetic ballast should be replaced with a 2 lamp T8 parallel electronic ballast. Turn the light on to check it. Older homes often are chock full of fluorescent lighting, from kitchen to garage lights. After 2 Lamp Ballast is Replaced. Here is how a 2 lamp ballast is wired to a 1 lamp fixture. Replacement Ballast Get a new replacement ballast. Disconnect each ballast wire, removing the connectors or cutting the wires as close to the ballast as possible.