2007 Rendezvous high beams not working

Rendezvous2007

New member
2
0
1
Buick Ownership
2007 Rendezvous
High beams do not work even after replacing multi-function switch and headlight assemblies. All high beam fuses and relays are good.
 

TollKeeper

Member
226
16
18
Brighton, CO
Buick Ownership
2005 Buick Rendezvous CXL Sport Plus
Do you get any type of activity when you pull back on the stalk (known as flash to pass), or when you push in (high beam activation)? They run off different wiring, so one should work. It would give us a starting point.
 

TollKeeper

Member
226
16
18
Brighton, CO
Buick Ownership
2005 Buick Rendezvous CXL Sport Plus
I would try to swap the relay out with another one in the fuse box.

Also would need to check that power is making it to that relay, to power on the high beams.
 
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