Chevrolet 1993 Astro Passenger Owner's Manual page 123

light is on the left hand side of the standard cluster. If you have the digital
cluster, it is on the top of the cluster.
Turn Signal and Lane Change Indicator
K3271
The turn signal indicator is a light with two green arrows. It comes on
whenever you signal a turn or lane change. Turn signal arrows are at the top
of the standard and digital clusters. For more details, see "Turn and Lane
Change Signal" in this part.
mailer Wiring Harness
PO47
If you have the optional trailering package, your vehicle may have either a
5-wire or a 7-wire harness.
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