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Re: INSTALLING BACKUP CAMERA ON BUICK RENDEVOUS
with out any schematics you can trace these wires down by finding the reverse lights, and disconnecting the bulb and installing a test light, and with a buddy put in reverse while you check to see which wire gets hot!!!!!!!!!!!!!!!!!
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Do you know how these thing's work ? How to do automotive electrical testing using a DVOM - digital volt ohm meter ? How to look up wiring diagrams to see what is involved in the working's of these systems ?
The R-BEC 1 fuse in the underhood fuse block supplies battery positive voltage to the BACKUP LAMP relay through the BACKUP LAMP fuse. When the gear selector is placed in reverse, the body control module (BCM) supplies ground to the BACKUP LAMP relay. This energizes the BACKUP LAMP relay and current flows from the BACKUP LAMP relay to the backup lamps and then to ground. The backup lamps are grounded at G401 and G403.
The transmission range (TR) switch is part of the park/neutral position (PNP) and back-up lamp switch assembly (1), which is externally mounted on the transmission manual shaft. The TR switch contains four internal switches that indicate the transmission gear range selector lever position. The PCM supplies ignition voltage to each switch circuit. By grounding one or more of the switch circuits, the PCM detects the selected gear range by the state change of the switch input. Refer to Transmission Range Switch Logic . Switch input to the PCM is represented on the scan tool as HI and LOW. HI indicates an ignition voltage signal. LOW indicates a zero voltage signal. The four parameters represent transmission range switch signal A,B,C and Parity.
When the transmission is placed into reverse a input to the engine computer is received . The PCM - engine computer sends a massage on the C.A.N serial data network to the BCM - body control module . Which then energizes the back up lamps relay .
Same with the Door locks , controlled by the BCM .
Door Lock System Components
The Power Door Lock System consists of the following components:
• Body control module (BCM)
• Driver door lock switch
• Front passenger door lock switch
• Door lock actuators in each of the doors
• IBCM (PWR) 15-amp fuse
Door Lock System Controls
The Power Door Lock System is controlled by the body control module (BCM) and can be activated by any one of the following:
• A door lock switch Lock or Unlock actuation
• A keyless entry transmitter actuation
• An automatic door lock actuation
• An automatic door unlock actuation
• A last door closed locking (LDCL) actuation
A/C only works on 3,4 . we assume you mean the blower motor only works on med speed an high speed . This would be for the heat as well . Manual or automatic cilmate control ? The blower motor control module is probably at fault !
The TURN SIG fuse in the console fuse block supplies battery positive voltage to park neutral position switch. When the gear selector lever is in the REVERSE position, power is supplied to both of the backup lamps. The backup lamps are grounded at G401 and G402.
Do you know what DTC'S - diagnostic trouble codes are ?
The body control module (BCM) controls the backup lamp relay. The BCM grounds the backup lamp relay control circuit energizing the backup lamp relay. The BCM connects directly to the center console fuse block with no external wiring between them.
The body control module (BCM) controls the backup lamp relay. The BCM grounds the backup lamps relay control circuit energizing the backup lamp relay. The BCM connects directly to the center console fuse block with no external wiring between them.
Backup Lamps Always On
Turn ON the ignition.
Shift the gear selector lever to the REVERSE position and then to the PARK position.
Do the backup lamps turn on in REVERSE and turn off in PARK?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3
Remove the backup lamps relay.
Do the backup lamps turn OFF?
Go to Step 5
Go to Step 4
Repair a short in the backup lamps relay switched battery positive voltage supply circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you complete the repair?
Check the back-up lamps relay #45 in the center console fuse/relay box .
Fuse Block - Center Console
Inside of console, behind the right console access panel
Pull the light assembly out on the side you are going to tie into. Pull the bulb out of the back up light. look at the center of the socket and that is the wire you want tie into for your power up to the the camera.
After installing a backup camera on your vehicle, you need to reverse the image so that the image on the screen matches that of your rear-view mirror. The orientation must match so that the driver doesn't get confused with two conflicting images. The nature of the camera's technology is that its image will be recorded un-reflected, but the mirror will display a reflected image. Fortunately, the engineers who designed back-up cameras thought of this and created simple controls for you to change the orientation.
"Life wire??" I don't know what you mean.
Usually, the backup camera will derive its power from the positive lead of your backup lights, so that it only turns on when you're backing up. You can use a standard wire tap to derive positive (+) from either backup light, and use chassis ground for the negative (-) lead of the camera.