Pontiac Fiero 1988 Service Manual page 1209

8B-10
LIGHTING SYSTEMS AND HORNS
winding or shorted horn; replace the horn. A current
reading of about 18 amperes means the contact points
are not opening; adjust the horn current (see the
following).
No current reading indicates a broken
connection, or an open circuit due to a broken lead or
overheated horn. An overheated horn must be
replaced. No current reading may also mean the
contact points are open; adjust the horn (see the
folowing).
0
Adjust
1. Increase Current -
clockwise
2. Decrease Current -
counterclockwise
Turn adjusting screw
Turn adjusting screw
Current adjustments should be made 1/4 turn
(90°) at a time
Horn Assembly
Fig. 8B-8
The horns are mounted behind the front fascia on
the front compartment rail.
Remove or Disconnect
1.
2.
Electrical connector
Bolt
Install or Connect
1. Bolt
2. Electrical connector
Horn Relay
The horn relay is located in the convenience
center on the right side of the heater or A/C module
under the instrument panel. To remove the relay, pull
it straight out.
1 - T O H D / L P A C T U A T O R
2 - T O H D / L P R E L A Y
3 - T O H D / L P
4 - S I D E M A R K E R LAMP
5 — TO H O R N
6 - H A R N E S S A S S Y .
7 - P A R K & T U R N , B U L B &
S O C K E T A S S Y .
8 - R O U T E H A R N E S S B E T W E E N
F R O N T COMPT. R A I L &
F R T . E N D P A N E L A S SHOWN
(L & R H S I D E S )
9 - HORN
1 0 - HORN C O N N E C T O R
11 - SCREW
1 2 - G R O U N D
^ JC0001-8B-P
Fig. 8B-9 Forward Light Harness