Problem in using 4 Relay Module to light LED

i have connected 4 relay module follows.

 4 relay module 1st relay no port  --> breadboard @ led
 4 relay module 1st relay com port --> ground
 breadboard @ other end of led --> 5v in uno board
 4 relay module in1 port --> 4 port in uno board
 4 relay module vcc port --> 5v port in uno board
 4 relay module gnd port --> gnd port in uno board

the photos of setting follows.
https://drive.google.com/file/d/0b9ghszdnys15beuwms1kq2lla1e/view?usp=sharing
https://drive.google.com/file/d/0b9ghszdnys15zwpkc1nqwlrdtm8/view?usp=sharing

 the coding follows.  however when arduino executed, led not light. have tried light led without using relay module. works. there error in using 4-relay module?

_____________________________________________________
const int relaypin = 4;

void setup() {
serial.begin(9600);
// give max little time settle
delay(500);
pinmode(relaypin, output);
digitalwrite(relaypin, low);
delay(500);
}

void loop() {
// basic readout test
 digitalwrite(relaypin, high);
 delay(500);
}

i can't see wires going, i've got assume something's wired wrong...  

this might unrelated, current-limiting resistor not in series led....   led fried, or lack of resistor "killing" 5v , crashing arduino.

do hear relay clicking?   if not, disconnect led , listen clicking.

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