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AUTOMOTIVE PRODUCTS, INC.

INSTRUCTIONS-INSTRUCCIONES-CONSIGNES

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75-0733  REVISION B 6/30/08

WO:

APPLICATION:

2002-06 CHEVY TRAILBLAZER EXT / GMC ENVOY XL
2003-06 ISUZU ASCENDER 7 PASSENGER 

APLICACIÓN:

MOD. 2002-06

ISUZU ASCENDER 7 ACOMPANANTE MOD.2003-06

CHEVY TRAILBLAZER EXT / GMC ENVOY XL 

APPLICATION :

2002-06 CHEVY TRAILBLAZER EXT / GMC ENVOY XL  
2003-06 ISUZU ASCENDER 7 PASSAGER

STEP 1.

Remove contents from box and check for  damage.  Verify all parts are present. Read instructions completely before beginning.  It 

is strongly recommended to install the Sure Grip Gap Strip for these vehicle applications.

STEP 2.

Attach front/center mount brackets using 8mm bolts and existing threaded holes on vehicle.  Hand tighten.  

SEE FIGURE 1.

STEP 3.

Mark holes.  Remove brackets. Drill holes as shown.  

SEE FIGURE 1.

 

NOTE:

  Be sure to use the correct drill bit size.  

SEE FIGURE 1.

STEP 4.

Attach mount brackets as shown. Hand tighten.  

SEE FIGURES 1, 2 AND 3.

STEP 5.

Insert square head bolts in step boards as shown (4 in each slot, 8 per board).  SEE FIGURES 5 AND 6.  

NOTE:

 For lighted boards, run wiring

 

harness prior to attaching board to brackets (refer to Step 8)

.  SEE FIGURES 5,6 AND 7. 

Run 

longer wire harness on passenger side.

STEP 6.

For Sure-Grip Running Boards, slide closure strip as shown. Set lights (if purchased) in appropriate location. Attach to Sure-Grip 

Running Board  as shown.  

SEE FIGURE 4.

 Drill hole through plastic strip and run wires as shown.  

SEE FIGURE 7. 

STEP 7.

Attach board to brackets as shown.  Make sure board and brackets are properly aligned and tighten fasteners.  Recommended 

torque values are 16 FT.LBS.  for 8mm fasteners, 10 FT.LBS.  for 5/16” square head fasteners and 7 FT. LBS. for 1/4” fasteners.  S

EE 

FIGURE 8.

  

NOTE:

  For lighted version of Molded Step Board, remove plastic cover from each end of under side of board. Proceed to Steps 8-

9.  

WARNING: INSTALLING LIGHT HARNESS REQUIRES SPLICING INTO VEHICLES ELECTRICAL SYSTEM.  WESTIN RECOMMENDS USING A 

PROFESSIONAL FOR THIS INSTALLATION.  NOTE: AVOID AREAS OF EXCESSIVE HEAT, VIBRATION, PINCH OR ROTATION WHEN SECURING 

HARNESS TO VEHICLE.  CAUTION: ALWAYS USE A FUSED(+) POSITIVE SUPPLY SOURCE.  UNDERCOAT SEAL FOR HARSH WEATHER.

HINT:  

Molded Step Boards:  For longevity, check rubber seals before installation. Rubber grommets around red and blue wires 

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2

STEP BOARD (PURCHASED SEPARATELY)

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6

FRONT/CENTER BRACKET

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2

REAR BRACKET

4

10

M8-1.25 X 20MM HEX HEAD BOLT

5

16

5/16-18 X .75” SQUARE HEAD BOLT

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26

5/16” FLAT WASHER

7

10

5/16” LOCK WASHER

8

16

5/16-18 NYLOCK NUT

9

6

1/4-20 X .75” SELF TAPPING SCREW

QTY

CONTENTS - CONTENIDO - CONTENU

TOOLS-HERRAMIENTA
 

-OUTILS

1/2” SOCKET
7/16” SOCKET
RATCHET
TORQUE WRENCH
5/16” DRILL BIT
3/16” DRILL BIT

ITEM

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2

ESTRIBOS (SE COMPRAN POR SEPARADO)

2

6

SOPORTE DELANTERAS/CENTRAL

3

2

SOPORTE TRASERAS

4

10

5

16

PERNOS CON CABEZA CUADRADA DE 5/16”

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26

ARANDELAS PLANAS DE 5/16”

7

10

ARANDELAS DE PRESIÓN DE 5/16”

8

16

TUERCAS DE PRESIÓN DE 5/16”

9

6

PERNOS CON CABEZA HEXAGONAL DE M8-1.25 X 20MM

PERNOS AUTOROSCANTES DE 1/4-20 X ,75”

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2

MARCHEPIEDS (VENDU SÉPARÉMENT)

2

6

SUPPORT AVANT/CENTRALES

3

2

SUPPORT ARRIERE

4

10

BOULONS A TETE HEXAGONALE M8-1,25 X 20MM

5

16

BOULON A TETE CARREE 5/16 PO

6

26

RONDELLES PLATES 5/16 PO

7

10

RONDELLES A FREIN 5/16PO

8

16

ECROU A FREIN 5/16-18

9

6

VIS AUTO-TARAUDEUSE 1/4-20 X ,75 PO

DADO DE 1/2”
DADO DE 7/16”
MANERAL
LLAVE DE TORQUE

BROCA DE 5/16"
BROCA DE 3/16”

DOUILLE 1/2 PO
DOUILLE 7/16 PO
CLIQUET
ClÉ DE COUPLE

MECHE 5/16 PO
MECHE 3/16 PO

MOUNT KIT

EQUIPO DE MONTAJE

JEU DE MONTAGE

27-1495

MOLDED

STEP 

BOARDS

27-0020
27-0025

SURE-GRIP

OPTIONAL LIGHT 

KIT

27-6000

SURE-GRIP

BOARDS

27-6140
27-6145
27-6540

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