Again watching off youtube and listening to this on radio one i think ive got it so it 
the same, might not be perfect

the a chord at the beginning hammers on and off on fret 4 on the d string

EI------------------------|
BI---2-2-2-2-2------------|
GI---2-2-2-2-2------------|
DI---2-2h4-4p2------------|
AI------------------------|
EI------------------------|

and i think the chords are played as barre chords

A
roxanne
                  C
You don't have to put on the red light
F
roxanne
                  Dm
You don't have to sell your body to the night


A
roxanne
                  C
You don't have to put on the red light
F
roxanne
                  Dm
You don't have to sell your body to the night


G
Roxanne
Am
put on the red light
G
Roxanne
A
roxanne


I loved you since I knew you
I wouldn't talk down to you
I have you to tell just how I feel
I won't share you with another boy

I know my mind is made up
So put away your make up
Told you once I won't tell you again
It's a bad way

G       Am
Roxanne (Put on the red light)
G       Am
Roxanne (Put on the red light)
G
Roxanne
A
Roxanne

A
So Put on the red light
C
Put on the red light
F
Put on the red light
Dm
Put on the put on the red light
A
So Put on the red light
C
Put on the red light
F
Put on the red light
Dm
Put on the put on the red light