How-To Videos

Landscape Lighting Repair Tips

By: Danny Lipford
Using an emery board to remove corrosion from landscape lights.

Using an emery board to remove corrosion from landscape lights.

When low voltage landscape lighting develops problems, it’s usually due to corrosion on the wire or bulb contacts cause by constant exposure to the elements.

To repair landscape lighting:

  • Wire Connections: Clean off any corrosion in the wire connections between the fixture and main line, then seal the junction with silicone caulking.
  • Bulb Connections: Remove the bulb and use an emery board or sandpaper to clean any corrosion off the bulb fixture contacts, then spray with contact cleaner before reinstalling the bulb.

Watch this video to find out more.

Further Information

Video Transcript


Danny Lipford: Steven has this question, “Our landscape lights have stopped working. What’s the problem?”

Usually when homeowners are having trouble with landscape lighting, the first thing you think about is a burned out bulb. But the bulbs in these things last a long, long time. Usually the problem: either a connection or moisture or both.

So, the first thing you want to check on is where this fixture connects to your main line, which will be slightly underground or sometimes just under the mulch. Make sure there is no corrosion on it, make sure it’s nice and tight. Then encase it with silicon caulk to really keep it nice and dry.

Then you’ll want to take the bulb out very carefully, and look for any corrosion where the bulb contacts are. You may need to use an emery board or a little bit of sandpaper to sand any corrosion off. Then spray it with a little contact cleaner to really keep it clean for a long, long time.

Do a few little maintenance things like this, landscape lights will last forever.


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2 Comments on “Landscape Lighting Repair Tips”

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  • Noreen Says:
    November 6th, 2018 at 1:37 pm

    Any suggestions for a replacement for Malibu uplights? I have a string of 6, 4 of which have burned out. I see Malibu is out of business. Is there an LED replacement bulb? Should I replace the entire string of lights? Should I use the inexpensive solar lights I see on Amazon?
    I like that the Malibu lights are angled and case beautiful shadows on the wall. I really miss them. What to do?



  • marine255 Says:
    February 7th, 2018 at 6:27 pm

    After tracking why my ground landscape was out –a string of 8 on 12 gage landscape wire—-I found at the first fixture a completely melted connector and melted insulation on the fixture side –water protected connectors—and singed landscape bark. Replaced the fixture and spliced in four ft of 12 gage wire (water proof connectors)— and so now I had a splice between the transformer and the first fixture. String worked for a couple of months and shut down. Checking it out and the splice between the transformer and the first fixture—again a completely melted connector on one side melted insulation. Have cut out and replaced the connectors again and monitoring. The system comes on about six hours. I’m concerned about this string. It’s the only one on this transformer. WHY TWICE DID IT NOT TRIP THE TRANSFORMER BREAKER AND WHAT IS POSSIB LY HAPPENING. RISKY???? I have three other transformers and nothing but replacing bulbs for ten years


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Landscape Lighting Repair Tips