mickmutante Posted September 29, 2016 Share Posted September 29, 2016 (edited) I was installing the bulbs in the interior for LED... I was installing and testing, and the ELEC B 7.5A fuse blows. Changed the fuse and keep the LED install... And again the fuse blows.. I asume the new interior led bulbs were the cause of it... Should i change the fuse for a 10A or 15A? Edited September 29, 2016 by mickmutante Link to comment Share on other sites More sharing options...
hawairish Posted September 29, 2016 Share Posted September 29, 2016 If an LED bulb is blowing fuses, there's some other issue and increasing the fuse isn't a good idea. I'd be sure that the draw on that bulb is quite low...much lower than the filament bulb. Got any pics of it installed? Is there any noticeable short? Does the fuse stay intact with the original bulb? Link to comment Share on other sites More sharing options...
pathfinder1990 Posted September 29, 2016 Share Posted September 29, 2016 Which interior bulbs are you changing. Cam you link to which ones you purchased (all though sounds like I don't want those ones lol) Link to comment Share on other sites More sharing options...
pathfinder1990 Posted September 29, 2016 Share Posted September 29, 2016 The led may be shorted internally itself. Test for continuity Link to comment Share on other sites More sharing options...
mickmutante Posted September 29, 2016 Author Share Posted September 29, 2016 If an LED bulb is blowing fuses, there's some other issue and increasing the fuse isn't a good idea. I'd be sure that the draw on that bulb is quite low...much lower than the filament bulb. Got any pics of it installed? Is there any noticeable short? Does the fuse stay intact with the original bulb? I have installed these... I remove them and re install the old filament ones... The fuse did not blow. Which interior bulbs are you changing. Cam you link to which ones you purchased (all though sounds like I don't want those ones lol)I bought them on ebay two moths ago... I cannot find the link on my ebay user page, it is harder to find waht you bought on ebay The led may be shorted internally itself. Test for continuityI test them with a 12v sourse and test continuity and they are ok... Link to comment Share on other sites More sharing options...
hawairish Posted September 30, 2016 Share Posted September 30, 2016 I have installed these... I remove them and re install the old filament ones... The fuse did not blow. Could try re-installing one at a time and seeing how each does. Process of elimination. Is the heat sink on the cargo lamp bulbs contacting anything? Link to comment Share on other sites More sharing options...
jyeager Posted October 1, 2016 Share Posted October 1, 2016 That happened to me once when I installed my LED map light bulbs. I think one of them made contact between the power side of the circuit and the metal body of the reflector above (which is grounded by the mounting screws). Link to comment Share on other sites More sharing options...
hawairish Posted October 1, 2016 Share Posted October 1, 2016 I suspect that's the issue. The bulb I had was similar, sans heat sink, but in the middle light, nothing kept it from rotating. I made a little plastic A-frame to keep it aligned. I just can't remember (and am too lazy to check right now) if any of the leads are exposed. Link to comment Share on other sites More sharing options...
hawairish Posted October 1, 2016 Share Posted October 1, 2016 Ok...so I looked at mine (mainly because my middle bulb has actually been flickering a little lately) and it doesn't look like the heat sink would cause a problem. On the middle light in mine, there's a metal heat shield that's above the bulb, but it is completely isolated from the circuit. The rear cargo light does have some of the metal contacts passing into the cavity where the bulb would go, but in order to reach it, that heatsink would have to be a bit bigger. Nonetheless, it's worth checking for any possibility of a short, even possibly on the bulb itself. The dome caps on the end, at least in the few I've gotten, aren't soldered too well. I just checked my current bulb, and the dome cap is about 1mm from the heatsink...I suppose with enough flex, the cap could contact the heat sink. Still thinking one bulb at a time is the way to proceed. Link to comment Share on other sites More sharing options...
Slartibartfast Posted October 1, 2016 Share Posted October 1, 2016 I would just grab a couple gator clip leads and a battery and start trying bulbs. When you find a bulb that doesn't light up and the jumpers get hot, you've found your problem. Link to comment Share on other sites More sharing options...
mickmutante Posted October 1, 2016 Author Share Posted October 1, 2016 Thanks for the tips I was thinking to remove the fuse before installing the leds, to avoid some short circuit, just in case... And then re-install the fuse... Maube i did something wrong, a short circuit touching the base plate or something.... Before i intalled the led bulbs, firs time, i did test them.. They were all ok... After the short i re-test them... They were ok... So that leads to a problem with the install process... Again... Maybe a short circuit.... This time i am going to be more carefull Link to comment Share on other sites More sharing options...
mickmutante Posted October 3, 2016 Author Share Posted October 3, 2016 Well... I removed the fuse to prevent short circuit and install the led bulbs... I think it worked 4 Link to comment Share on other sites More sharing options...
mjotrainbrain Posted October 3, 2016 Share Posted October 3, 2016 Wow, that's bright! I think I'm going to have to try this mod, as the stock OEM lights are so dim they might as well not be there...Do these light the interior well? They look like they do from the picture, I just want to make sure they look just as good in person. Link to comment Share on other sites More sharing options...
mickmutante Posted October 3, 2016 Author Share Posted October 3, 2016 Yes they do well.... I think the front console lights (reading lights) are not to bright... I think they have 120 lumens... I am going to buy some with 180 lumens. ... Link to comment Share on other sites More sharing options...
mjotrainbrain Posted October 3, 2016 Share Posted October 3, 2016 Excellent, thank you! And good luck with your other light mods, hopefully they go a little more smoothly for ya! Link to comment Share on other sites More sharing options...
RIPB.88 Posted December 5, 2016 Share Posted December 5, 2016 When installing LED bulbs, Polarity is the key. Multiple bulbs in backwards with blow the fuse. I run into that all the time installing RECON cab lights on pickups at work. It all depends on the amperage of the fuse. The smaller the fuse, the more sensative it will be to a backwards bulb. 1 Link to comment Share on other sites More sharing options...
Slartibartfast Posted December 6, 2016 Share Posted December 6, 2016 How does a backwards LED blow a fuse? Link to comment Share on other sites More sharing options...
RIPB.88 Posted December 6, 2016 Share Posted December 6, 2016 How does posi-trac on a plymouth work? It just does.. Link to comment Share on other sites More sharing options...
Terranovation Posted December 10, 2016 Share Posted December 10, 2016 When I installed my leds I never blew fuses. The wattage of leds is a lot less than a filament type bulb. Usually leds have a polarity so if you install it the wrong way around it won't light up so you turn the holder around slightly and reinstall in the socket to get it working. Link to comment Share on other sites More sharing options...
Mrelcocko Posted December 11, 2016 Share Posted December 11, 2016 Nothing like updating interior lights with L.E.D'S. If you know anything about L.E.D bulbs it's easy cheesy to upgrade. sent by MrCox in Lenoir City, TN 1 Link to comment Share on other sites More sharing options...
Mrelcocko Posted December 11, 2016 Share Posted December 11, 2016 I was installing the bulbs in the interior for LED... I was installing and testing, and the ELEC B 7.5A fuse blows. Changed the fuse and keep the LED install... And again the fuse blows.. I asume the new interior led bulbs were the cause of it... Should i change the fuse for a 10A or 15A? Don't put a bigger fuse in, the 7.5 fuse is fine. You might have a wire that has a bad place and is touching something causing the fuse to blow. You might have a wire crossed. Check your wiring and connections real good. sent by MrCox in Lenoir City, TN 2 Link to comment Share on other sites More sharing options...
Mrelcocko Posted December 12, 2016 Share Posted December 12, 2016 I was installing the bulbs in the interior for LED... I was installing and testing, and the ELEC B 7.5A fuse blows. Changed the fuse and keep the LED install... And again the fuse blows.. I asume the new interior led bulbs were the cause of it... Should i change the fuse for a 10A or 15A? I use a 9-volt battery to test my LEDs and my connections and stuff before I install them it makes it so much easier. That way when you install it you don't have to cxworry about blowing a fuse sent by MrCox in Lenoir City, TN Link to comment Share on other sites More sharing options...
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