Information on Upgrading Certain OnStar® Generation 5 Analog/Digital-Ready Systems to OnStar® Generation 6 Dual-Mode (Analog/Digital) This bulletin is being issued to provide dealer personnel with information and procedures to follow should an owner wish to upgrade their OnStar® Generation 5 analog/digital-ready system to an OnStar® Generation 6 Dual-mode (analog/digital) system.
Service Procedure
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WIRING INFORMATION: 2004 Cadillac SRX WIRE WIRE COLOR WIRE LOCATION 12V CONSTANT WIRE 12V wires at the ignition harness are low current 12V sources that should not be used to drive any high current positive circuits. Must go to the battery for 12V. LT.GREEN Ignition Harness POWER DOOR LOCK (-) RED/BLACK At Door Lock Switch Inside Driver Door POWER DOOR UNLOCK (-) ORANGE/BLACK At Door Lock Switch Inside Driver Door PARKING LIGHTS (+) DO NOT USE PARKING LIGHTS (-) BROWN/WHITE In Brown Plug At Module Under Glove Box LEFT FRONT DOOR TRIGGER (-) TAN At Driver Door Module In Driver Door RIGHT FRONT DOOR TRIGGER (-) LT.GREEN At Module Inside Right (more…)

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1995 ENGINE PERFORMANCE General Motors Corp. Removal, Overhaul & Installation Cadillac; Concours, DeVille, Seville
* PLEASE READ THIS FIRST * CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION section before disconnecting battery.
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Disassembly
1. Thoroughly clean and air dry valve bodies. Remove check balls. Remove each valve train.
2. Lay valves, springs and bushings on a clean surface in the order removed. Remove solenoids, sensor, screens, servos and accumulator assemblies.
Cleaning & Inspection
Clean valves, springs and bushings in solvent. NEVER use shop rags to clean valve body components. Inspect valves and bushings for scoring, nicks and scratches. Inspect springs for damaged or distorted coils. Inspect valve body casting for porosity, interconnected oil passages and damaged machined surfaces.
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The all-new 2010 Cadillac SRX midsize crossover represents a significant departure from its rear-drive predecessor as a more integrated and highly styled entry. It’s based on General Motors’ all-new global midsize front-drive crossover architecture (also called Theta-Epsilon). The new SRX has a dramatic presence — from its prominent shield grille and large, center-positioned wreath and crest to the vertically oriented, contemporary “tailfin” taillamps that incorporate more than 40 LEDs per lamp.
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The OS-2CTS is a plug and play interface that allow the installation of an aftermarket radio into Cadillac CTS and SRX vehicles. It will maintain operation of the On Starо and factory amplified audio system. On Starо audio will play through the front speakers when active. It also retains all warning chimes and Vehicle Rear Parking Assist chimes.
• Class II circuitry will not disable vehicle data bus even if interface loses power.
• On Starо active LED and Ignition on LED.
• Provides +12v switched accessory output. No more searching for switched +12v in fuse box or kick panel.
• Mute output to either mute the aftermarket radio or to turn if off when On Starо is active.
• On Starо Volume control via factory steering wheel audio controls or click wheel .
• New radio will operate with the vehicle RAP (Retained Accessory Power) system, which is 10 minutes or until a door is opened.
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This blower motor has undergone some changes in design so the installation procedures have also changed. The original motor was a two piece motor and the wheel was secured with a set screw. GM changed the design to a one piece unit with a fiberglass heat shield and the wheel is pressed on. On some of the models you may need to remove the front cradle bolts so the engine can be rocked forward. This will help keep the valve cover from interfering with the blower motor replacement. On all models; disconnect the negative battery cable.
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Remove Factory Radio
STEP 1: Locate and remove two (2) phillips screws that secure the top of the plastic panel that covers the radio and air conditioner controls. They should be located next to the air conditioner vent levers directly above the (2) air conditioner vents. Pull the plastic panel gently from the top to remove it from the dash.
STEP 2: The radio will be held in with two (2) 7mm bolt screws; one on each side of the radio. Remove both.
STEP 3: To remove the radio, pull firmly. Unplug all connectors (1 blue, 1 white, 1 black) from the rear of the radio. Unplug the antenna cable from the rear of the radio. The radio is now free to be removed from the dash panel.
STEP 4: Since the opening is so big in the dash, The Install Doctor recommends using the plastic mounting bracket attached to the bottom of the radio just removed.
This bracket can then be attached to the bottom of the plastic radio installation kit and assure that this kit is properly aligned and secured to the dash.
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At Cadillac, excellence is our only standard – and the experts are taking notice. Take our Escalade, Escalade ESV and Escalade EXT, for example. Edmunds.com praises the Escalade family for such virtues as “endless V8 power, plush ride quality, more nimble than you might think, comfortable seats, plenty of cargo capacity, all the latest technological gadgets, best-in-class towing capacity.”* The automotive experts at familycar.com call Escalade “big, distinctive and cool”** and say, “… the Escalade has an edgy, hip air about it that breaks the mold of a typical luxury SUV.”** And in November, 2004, forbes.com declared, “The Escalade is a classic, and no SUV commands more respect.”† They also named it the best SUV in its price class.† Escalade, Escalade ESV and Escalade EXT. When you’re willing to settle only for excellence.
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Exhaust System Removal:
1. Measure 1.5” for STS (See Fig. A) or 9” for SRX (See Fig. B) before the driver side muffler inlet weld. Using a chain cutter or saw, cut the rear muffler off at this measurement.
2. Remove the hanger on the inlet side of the muffler from the rubber isolator.
3. Remove both hangers near the factory tips from the rubber isolators.
NOTE: Be sure to save all rubber isolators from the vehicle. They will be used to install the CORSA Performance exhaust system in later steps.
4. Repeat steps 1-3 for the passenger side muffler.
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