crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0
crwdns2918538:0crwdne2918538:0

Quick way to test LEDs

crwdns2936025:01crwdne2936025:0 —
Quick way to test an LED

crwdns2935477:0crwdne2935477:0:

crwdns2935483:0crwdne2935483:0

In most Christmas light strands that I have seen, the LEDs are inserted into a plug and the plug goes into a socket on the strand. If one (or more)LEDs is bad, an entire section of the strand will not light up.

crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0