It hasn't been tabbed yet and it is a quite easy song.
It is a bit tricky on the strumming but listen to it and you will figure it out.
Well this is how it sounds to me! Enjoy!

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              There's a light on - Quietdrive (from the album Up or Down)
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Tabbed by: nikgt

Tuning: EADGBe

Em (022000@1) G (320003@1) D (xx0232@1) Ce|---3---3---3---3-| (x32010@1)B|---3---3---3---3-|
G|---0---0---2---0-|
D|---2---0---0---2-|
A|---2---2---0---3-|
E|---0---3---0---0-|

G (320003@1)               DThere's (xx0232@1)a light on in the window
G (320003@1)                DLets (xx0232@1)me know she's safe at home
G (320003@1)                 D (xx0232@1)                  C (x32010@1)   EmThrough (022000@1)the trees I feel the wind blow   oh oh oh oh

G (320003@1)          D (xx0232@1)           EmShe (022000@1)doesn't know that I'm watching
G (320003@1)          D (xx0232@1)            GShe (320003@1)doesn't know that it's cold

G (320003@1)               DThere's (xx0232@1)a light on in the window
G (320003@1)                   DHalf (xx0232@1)the moon lights up the sky
G (320003@1)                  D (xx0232@1)               C (x32010@1)   EmThere's (022000@1)a rope swing in the backyard   oh oh oh oh

Chorus:
G (320003@1)          D (xx0232@1)            GShe (320003@1)doesn't know that I'm watching
G (320003@1)          D (xx0232@1)           EmShe (022000@1)doesn't know that it's cold
G (320003@1)          D (xx0232@1)        G (320003@1)           EmD GSomeday (320003@1)I'll find the words to make it right
G (320003@1)              D (xx0232@1)     Em (022000@1)   CD 
Em D C Em D C
Until then I'll stay outside

G (320003@1)          D (xx0232@1)            GShe (320003@1)doesn't know that I'm watching
G (320003@1)          D (xx0232@1)           Em (022000@1) DShe (xx0232@1)doesn't know that it's cold
G (320003@1)          D (xx0232@1)        G (320003@1)           EmD GSomeday (320003@1)I'll find the words to make it right
G (320003@1)              D (xx0232@1)     EmUntil (022000@1)then I'll stay outside
G (320003@1)              D (xx0232@1)     EmUntil (022000@1)then I'll stay outside

Outro:
GThere's (320003@1)a light on in the window
                    DLets (xx0232@1)me know she's safe at home