Where is the location of the headlight relay switch on a chevy s10 pick up

what transmission, here. automatic or manual stick shift?
S10 not blazer S10

old cars this old (pre digital documents) are hard to find and when found are not complete. or poor .
A/T box?
the PRNDL switch must be good. and cranks in both Park and neutral.
yes the relay clicks too, if not the PRNDL is prime bad part.
there is fuse named CRANK.(1st inline here)
the starter can be hot wired (a test) to prove starter work.
if stick shift TRANNY it is called the clutch switch. to crank,
some books say hood up fire wall, center is relay. IDK


see why we ASK transmission first/
if the relay does not click the fuse crank blown
or PRNDL is dead only on P mode, try N.
if stick shift,, clutch CCP switch bad or just mal-adjusted.
ST below goes to the relay then to starter solenoid
the relay colors are there. Green or Purple.

PRNDL is on side of TANNY part of shift linkage.

Start by resetting the INERTIA SWITCH. The location of the inertia switch will be found in your OWNER'S MANUAL. If you do not have your Owner's Manual, check online.

Check circuit breaker and switch at dimmer end.

It's by the oil filter ,screwed into block,here's what is looks like,click here.

Hey, quick question my friend have a 93 chevy S10 fuel problem i notice tha volts is low on the purple wire no power on the gray one black wire r ground on tha fuel pump check the fuse its good run it diret with the battery runs strong not sure where tha at relay tho?

Check headlight fuses and relays.Two locations possible.End of dash on Dr.side and relays maybe under the hood to thr rear of batterie on Dr.side.

It is the thumb wheel just to the right of the headlight switch. Runs up and down. Also just below air vent.

I have looked in my chev manual and there is no relay, but the fuse box has the fuse for this. Check this to see if fuse is blown.

I had the opposite problem on a 92 and 94 chevy trucks.I had park lights but no headlights and both were solved with switch itself.

The problem can be the headlight switch itself or a defective headlight relay. A repair manuel purchased at a auto parts store would give you this information and give you the location of the relay.
Bill