Trailboss QTHD519L Fitting Instructions Manual Download Page 5

 
 
 
 
 
 

Wiring Loom Fitting Instructions 

To Suit Holden Commodore VF Sedan & Wagon 

Part Number 100971-WL

 

 

 

Page 

2 of 4 

    Issue Date 

10-12-14

 

 

Cequent Customer Service 

Ph: 1800 812 017 Fax: 03 9797 3299 

Email: [email protected] 

Post: PO Box 4050, Dandenong South VIC 3175 

The following steps are for Holden Commodore VF Sedan models. For 
Holden Commodore VF Wagon models, proceed to Page 3. 

1. 

In  the  luggage  compartment,  remove  the  four  screws  from  the  rear  trim  and  then 
remove the rear trim and the luggage compartment floor carpet. 

 
2. 

Remove the three fasteners from the LHS luggage compartment trim and then dislodge 
the trim. 

 

3. 

Drill a 30mm hole into the rear LHS area of the spare wheel plastic tub lining. 

 

4. 

In the LHS luggage compartment rear quarter area, locate and connect the (grey) 6-way 
break-out connector (1) to the trailer patch (P/No: 100971-WL) mating connector (2). 

 

5. 

Connect the trailer patch ECU connector (3) to the ECU (4) and then mount the ECU to 
the rear quarter panel using double sided adhesive tape, ensuring the ECU connector 
end is pointing down
. Route the trailer patch harness towards the spare wheel well.

 

 

                                                                        

 

 

 

                   

6. 

From  the  rear  exterior  underside  of  the  vehicle,  route  the  tail  harness  (tail  length 
1200mm)  up  through  the  drilled  out  30mm  hole  and  into  the  vehicle,  ensuring  the 
grommet is seated correctly. Secure the trailer patch harness socket head to the towbar 
mounting plate using the supplied M4 fasteners.

 

 

7. 

In  the  luggage  compartment  spare  wheel  well,  connect  the  trailer  harness  8-way 
connector to the trailer patch mating connector. 

  

8. 

Test the trailer wiring harness function using a light board or multimeter. 

 

9. 

Secure all harnesses using cable ties (not supplied). Re-fit all removed parts and secure 
all fasteners, ensuring there are no squeaks or rattles. 

 

10. 

Place the fitting instructions in the glove box after fitment. 

 
 
 
 
 
 
 
 

 

Summary of Contents for QTHD519L

Page 1: ...table rust preventative paint 6 For vehicles that require the bumper to be cut Ensure cut out area is in correct position on the vehicle prior to cutting the bumper 7 The high tensile fasteners supplied with this product were used to achieve the specified rating If replacement is required ensure that fasteners of the same rating quality are used Contact an authorized Trailboss dealer if further in...

Page 2: ...17 Fax 03 9898 3299 Email info cequent com au Post PO Box 4050 Dandenong South VIC 3175 QTY DESCRIPTION ITEM NO 1 WELDED ASSEMBLY 1 2 TBM ASSEMBLY 2 1 HEX NUT M10X1 5 3 1 SET SCREW HEX HD M10X30X1 5P 4 4 BOLT SP M10X105X1 5P 11589345 5 2 FORMED BOOT PLATE 6 1 PLUG BRACKET 7 2 NUT NYLOC M4 0 7 Z P 8 1 PULL PIN 9 1 R CLIP 10 1 HITCH BOX COLLAR COVER 11 1 WIRING LOOM 12 1 BUMPER TRIM PINCH WELD 580MM...

Page 3: ...the rear inside plastic trim to the inside rear Chassis Remove the trim by lifting upwards and place to the side 6 Lift spare tire cover to gain access underneath Remove the silver tape covering the 2 Bolt holes Repeat for opposite side of vehicle 7 Offer Towbar to vehicle inserting the Towbar side arms into the existing Chassis Rail holes Force may be required to slide inside Chassis Rail 8 Fit l...

Page 4: ...h 1800 812 017 Fax 03 9797 3299 Email info cequent com au Post PO Box 4050 Dandenong South VIC 3175 Wiring Loom Installation Instructions Holden Commodore VF Sedan Wagon Part No 100971 WL ECU Required 04839 Tail Harness Length Required 1200mm Wiring Loom Installation Time Approx 20 Mins Holden Commodore VF Sedan page 2 Holden Commodore VF Wagon pages 3 ...

Page 5: ...ailer patch P No 100971 WL mating connector 2 5 Connect the trailer patch ECU connector 3 to the ECU 4 and then mount the ECU to the rear quarter panel using double sided adhesive tape ensuring the ECU connector end is pointing down Route the trailer patch harness towards the spare wheel well 6 From the rear exterior underside of the vehicle route the tail harness tail length 1200mm up through the...

Page 6: ...ing drill a 30mm hole 1 into the LHS quarter 4 In the LHS luggage compartment rear quarter area locate and connect the grey 6 way break out connector 1 to the trailer patch P No 100971 WL mating connector 2 5 Connect the trailer patch ECU connector 3 to the ECU 4 and then mount ECU to the rear quarter sheet metal panel using double sided adhesive tape ensuring the connector end if pointing down 6 ...

Page 7: ...ng South VIC 3175 9 In the luggage compartment spare wheel well connect the trailer harness 8 way connector to the trailer patch mating connector 10 Test the trailer wiring harness function using a light board or multimeter 11 Secure all harnesses using cable ties not supplied 12 Re fit all removed parts and secure all fasteners ensuring there are no squeaks or rattles 13 Place the fitting instruc...

Page 8: ... parts are available from your Pro Series Distributor Hitch Pin Nut R Clip Hitch Pin Fig 1 Silent Anti Rattle Hitch Pin assembly Fig 2 Installation of Trailer Ball Mount Fig 3 Silent Anti Rattle Hitch Pin orientation Insert Trailer Ball Mount TBM into towbar HITCHBOX aligning hole in TBM SHANK with hole in HITCHBOX Fig 2 Insert HITCH PIN through hole in HITCHBOX and hole in TBM SHANK ensure the LO...

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