my compressor doesnt engage anymore i dont hear my a/c clutch click on either, my a/c worked fine up unitl a few days ago. any suggestions

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2001 a4 1.8tqtip
remus axelback
carbonio intake (waste of money)
apr r1 dv
apr vdo pod boost gauge
speedtunning chip best deal so far get it now!!!
VVME H.I.D 6000k

Fuse for AC

Fuse for the secondary electric fan. Big sucker 40 amp in the secondary fuse box behind the driver's side lower dash.

Failing that borrow a VAGCOM and check the HVAC system.

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2000 A4 1.8T Quattro tip
APR 93 chip
710N
ECS N75 Race Valve
Tip Chip
Borla Exhaust
Sports Suspension
Cracked windshield (again), 3rd timing belt