My Maglite isn't turning on, even though I've put in new batteries. At first I thought I might have just put the batteries in wrong, but after trying it every way, this doesn't seem to be the case. (It's plus-first, isn't it??) I've used this flashlight for several years, and Maglites in general for even longer, but I've never been disappointed until now. What could be wrong with it, or is it just me?? Has the lightbulb *actually* gone out?
You could have dirty contacts if the batteries were in for a long time and you never used it. The contacts are: (1) the tip of the spring and (2) where the positive end of the battery touches way inside the flashlight. You can try and clean them with alcohol. If you think it might be the bulb, try the spare. There is a spare bulb under the spring you see at the base of the flashlight when you install the batteries, you have to pull the spring out and then snap it back in after you get the bulb out. And yes, positive end goes in first in the Maglite. Hope this helps.
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Not that I know of- they are usually 2 AAs. The 1 AAA keychain model was terrible in that the "turn to on" function was intermittent so I could never trust it. Tried WD40, sanding the contacts, etc. This was the old halogen version.
You've introduced two variables to your flashlight, and each needs to be tested independently. It's possible that one--or both--isn't working properly. It's equally possible that one or both of these replacement parts isn't perfectly meshing with the conductive areas of the maglite body, meaning that they're not completing the basic circuit needed to power the light.
The best way to test your tailcap switch is either to try it with another maglite or test its continuity with a multi-tester. With the tester, you should be able to toggle between readings of infinite resistance (switch off, no circuit) and little or no resistance (switch turned on). If you're stuck at infinite resistance, there's a problem with the switch.
You could test the LED insert by using test clips to touch power to the module to see whether it will light up.
My guess is that the components are probably good, but that somewhere along the line, there's a break in the basic circuit. My leading suspect would be the connection from the LED module to the negative (flashlight body) side. It could be that the module is slightly out of round and it's simply not making contact. It could be that the finish of the maglite is acting as an insulator. However, I would recommend deferring this analysis until you've confirmed that each component works fine.
Yes there is a cap. I had the same problem most likely the battery inside has corroded and leaked fusing the cap shut, contact MagLite at www.maglite.com if there were either Duracell, Eveready or Ray-O-Vac batteries in there they will replace it for free under warranty.
Insure the batteries are working correct and in the proper direction. Also double check the bulb to isure it was not damaged and put in correctly. If it was working before new bulb inst. try a new bulb
I found out the light bulb was bad even though it looked good. Had a fine break in the filament that I couldn't see with my eyes. Pulled the light bulb part way out, put a voltage meter on the two prongs. It showed I had voltage right up to the light bulb which told me the light bulb was bad. Ordered a new one and it works.
Unfortunately not, I've seen more and more of these coming back to the shop here with faults. Mostly they seem to be connection problems like yours. Pity, MAG are excellent and have really tarnished their reputation with this LED gimmick. A lot of the customers who return their LED's to us take a traditional MAG as a replacement..