Q1: all 4 dead?
Q2: do blinkers work ? hummmm
alldata.com covers all this, log in and read>?
does car run perfectly
do all other lamps work? full bright head lights.
cranks fast not slow
battery charged? main car battery?
then
fuse meter good
fuse haz/turn good?
the tail fuse and tail relay most work or the HAZ switch is dead.
is the haz lamp dead? triangle ICON lamp?> in dash.
the schematic is below.
when you turn on the haz button , this sends 0v (ground) logic signal to the BCM puter.
and the turn /haz relay.
the blinker switch has its own inputs to the RELAY .
so one can fail and other work, and not stated, sadly.
its not really a relay its and electronics module.
(means testing it, is not relay like at all)
12v on both pins on left ? top.
in haz mode 0v on the yellow wire.?
if yes , yes, yes, then the relay is bad
the 48 slot is haz/blink relay module.
I think you still have the "normal" pre-module setup in there...Have you tried removing the 4 way flasher and putting in where the directional flasher goes? If it does, change the flasher. (you can find each by turning them on and listening to where the clicking is coming from) they may both be on the fuse panel or the directional one may be under the drivers side dash. Also check grounds at lights themselves.
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