How do I install the battery

1. Open the trunk

2. Lift the carpet/flooring of the trunk to reveal the battery.

3. Disconnect the negative battery cable (8mm)

4. Disconnect the positive battery cable (8mm).

5. Remove the battery hold down block (13mm).

6. Remove the battery vent tubes from the top of the battery.

7. Lift the battery out of the trunk.

8. Install the new battery in the trunk.

9. Install the hold down block.

10. Install the battery vent tubes.

11. Install the positive cable.

12. Install the negative cable.

13. Lay the flooring/carpet back down where it fits correctly.

14. Close the trunk.

Yes and that was due to bad installation. I have had 3 car stereos installed on my 98 RAV4 through Best Buy and never had battery problems. I even had 2 amps installed as well but the installers had to make me buy this 200-dollar thing that would not drain the battery.

If you are getting a drain through the radio's power supply it could eventually drain down the battery if it was improperly installed, I would pull the fuse for the radio and see if the drain continues, if the drain does not stop there is another short somewhere. To learn more :

http://www.xcardiag.com/wholesale/automotive-battery-analyser-vat-560-tool-536.html

BATTERY INSTALLATION
To install batteries, remove battery box by loosening plastic
screw on the bottom of the timer. Install 4 AA alkaline
batteries as illustrated inside the battery box.

Below is the procedure for an Aston Martin Vantage, perhaps the vanquish is similar?

Removal
1. Power the driver's fully forward.
2. Remove rear compartment cover.
3. Loosen and disconnect battery terminals, earth (- ve)
terminal first.
4. Release rear carpet, studs (x2), move carpet aside.
5. Remove screws (x2), battery compartment cover to
support rail.
6. Remove nuts (x2), battery compartment cover to body.
Remove cover.
7. Remove Torx screws (x4), remove battery clamps (x2).
8. Disconnect battery vent tube.
9. With assistance, remove battery.
Installation
1. Clean battery tray and clamps.
2. With assistance, install battery into its compartment.
3. Connect battery vent tube.
4. Position battery clamps (x2), install and torque tighten
Torx screws (x4).
5. Ensure battery vent tube is not distorted by battery.
6. Install battery terminals, tighten terminal nuts to correct
torque.
7. Install battery compartment cover, install and tighten
screws (x2) and nuts (x2).
8. Position rear carpet, secure with studs.
9. Install rear compartment cover.
10. Reposition driver's seat.
Courtesy of pistonheads.com

Please vote if this helps! Thanks, Mike

Hello robert.... Battery Replacement

Removal Procedure

Disconnect the negative battery cable (2). Refer to Battery Negative Cable Disconnect/Connect Procedure .

Remove the wheelhouse liner. Refer to Wheelhouse Liner Replacement - Front .

Lower the vehicle.

Open the positive battery cable connection cover.

Loosen the positive battery cable bolt.

Remove the positive battery cable (1).

Remove the front fender rear bracket to side rail bolts.

Remove the front fender to front fender rear bracket upper (1) and lower (2) bolts.

Remove the front fender rear bracket.

Remove the battery hold down retainer bolt and retainer.

Important: Do not tip the battery more than 40 degrees during removal.

Remove the battery.



Installation Procedure

Important: Do not tip the battery more than 40 degrees during battery installation.

Install the battery.
Notice: Refer to Fastener Notice in Cautions and Notices.

Install the battery hold down retainer and bolt. Tighten the bolt to 25 N·m (18 lb ft).

Install the front fender rear bracket.

Install the front fender rear bracket to side rail bolts. Tighten the bolts to 20 N·m (15 lb ft).

Install the front fender to front fender rear bracket upper (1) and lower (2) bolts. Tighten the bolts to 20 N·m (15 lb ft).

Install the positive battery cable (1).

Tighten the positive battery cable bolt. Tighten the bolt to 17 N·m (13 lb ft).

Close the positive battery cable connection cover.

Install the wheelhouse liner. Refer to Wheelhouse Liner Replacement - Front .

Connect the negative battery cable (2). Refer to Battery Negative Cable Disconnect/Connect Procedure .

Joe
Thanks for choosing Fixya!

Battery Replacement

Removal Procedure

Disconnect the negative battery cable (2). Refer to Battery Negative Cable Disconnect/Connect Procedure .

Remove the wheelhouse liner. Refer to Wheelhouse Liner Replacement - Front .

Lower the vehicle.

Open the positive battery cable connection cover.

Loosen the positive battery cable bolt.

Remove the positive battery cable (1).

Remove the front fender rear bracket to side rail bolts.

Remove the front fender to front fender rear bracket upper (1) and lower (2) bolts.

Remove the front fender rear bracket.

Remove the battery hold down retainer bolt and retainer.

Important: Do not tip the battery more than 40 degrees during removal.

Remove the battery.



Installation Procedure

Important: Do not tip the battery more than 40 degrees during battery installation.

Install the battery.
Notice: Refer to Fastener Notice in Cautions and Notices.

Install the battery hold down retainer and bolt. Tighten the bolt to 25 N·m (18 lb ft).

Install the front fender rear bracket.

Install the front fender rear bracket to side rail bolts. Tighten the bolts to 20 N·m (15 lb ft).

Install the front fender to front fender rear bracket upper (1) and lower (2) bolts. Tighten the bolts to 20 N·m (15 lb ft).

Install the positive battery cable (1).

Tighten the positive battery cable bolt. Tighten the bolt to 17 N·m (13 lb ft).

Close the positive battery cable connection cover.

Install the wheelhouse liner. Refer to Wheelhouse Liner Replacement - Front .

Connect the negative battery cable (2). Refer to Battery Negative Cable Disconnect/Connect Procedure .
hope this helps . please rate my response.

Rear Combination Light- 2007 might vary from these diagrams:
Removal & Installation 2004 (Early Production) 4 Door To Remove:

1. Disconnect battery negative cable.
2. Disconnect electrical connector. Rear Combination Light
   
   
3. Remove 2 screws and 2 nuts and remove light assembly.

To Install:

1. Install light assembly and 2 screws and 2 nuts.
2. Connect electrical connector.
3. Connect battery negative cable.

5 Door To Remove:

1. Disconnect battery negative cable.
2. Disconnect electrical connector. Rear combination light
   
   
3. Remove 2 screws and push light assembly toward outside of vehicle. CAUTION
   Use care to not damage gasket.
   
4. Pull rear combination light from vehicle.

To Install:

1. Install rear combination light and 2 screws.
2. Install 2 screws.
3. Connect electrical connector.
4. Connect battery negative cable.

2004 (Late Production), 2005-2009 To Remove:
Turn Signal Lamp

1. Disconnect battery negative cable.
2. Remove 2 screws and cover inside trunk.
3. Remove 4 nuts and disconnect electrical connector (A).
4. Remove rear combination lamp.

To Install:
Turn Signal Lamp

1. Install rear combination lamp.
2. Install 4 nuts and connect electrical connector (A).
3. Install cover inside trunk and install 2 screws.
4. Connect battery negative cable.

Removal Procedure

Disconnect the negative battery cable

Remove the wheelhouse liner.

Open the positive battery cable connection cover.

Loosen the positive battery cable bolt.

Remove the positive battery cable

Remove the front fender rear bracket to side rail bolts.

Remove the front fender to front fender rear bracket upper (1) and lower (2) bolts.

Remove the front fender rear bracket.

Remove the battery hold down retainer bolt and retainer.

Important: Do not tip the battery more than 40 degrees during removal.

Remove the battery.



Installation Procedure

Important: Do not tip the battery more than 40 degrees during battery installation.

Install the battery.


Install the battery hold down retainer and bolt.

Install the front fender rear bracket.

Install the front fender rear bracket to side rail bolts.

Install the front fender to front fender rear bracket upper (1) and lower (2) bolts.

Install the positive battery cable (1).

Tighten the positive battery cable bolt.

Close the positive battery cable connection cover.

Install the wheelhouse liner.

Connect the negative battery cable

• Loosen the battery negative terminal clamp.

• Use a terminal clamp puller to remove the negative cable.

• Loosen the battery positive terminal clamp.

• Use a terminal clamp puller to remove the positive clamp.

• Remove the battery hold-down hardware and any heat shields.

• Remove the battery from the tray.

• Install the new battery into the tray.
• Also install the hold-down hardware.

• Install the positive battery cable.
• Then install the negative cable.
• When installing a battery, be careful to observe the correct polarity. Reversing the cables destroys the diodes. Proper polarity must also be observed when connecting a booster battery, positive to positive and negative to ground.

Art courtesy of Delmar - Thomson Learning.

• Coat the terminals with corrosion preventative spray, then check the job by starting the car.