Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 735 (ENTERTAINMENT SYSTEM)
1999 GMC Forward Control 5.7 R, Automatic
Section 735 (Entertainment System)
1999 GMC Forward Control 5.7 R, AutomaticSECTION Section 735 (Entertainment System)
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Entertainment
- Diagnostic System Check - Radio/Audio System
- Scan Tool Data List
- Scan Tool Data Definitions
- Symptoms - Entertainment
- Audio System Troubleshooting Hints
- Radio Poor Reception
- Power Antenna Inoperative
- Audio Distortion - One or More Speakers
- Remote Playback Device Inoperative
- Remote Playback Device Left or Right Channel Inoperative
- Radio Display Inoperative, No Sound from Speakers
- Tape Player Weak, Slow, or Garbled Output
- Speakers Inoperative - One or More
- Repair Instructions
- Radio Replacement
- Bose Module Replacement
- Cassette Player Care and Cleaning
- Remote CD Changer Replacement
- Antenna Module Replacement
- Antenna Buffer Replacement
- Fixed Antenna Mast Replacement
- Fixed Antenna Replacement
- Antenna Mast Cleaning
- Power Antenna Mast Replacement
- Power Antenna Assembly Replacement
- Antenna Extension Cable Replacement (Rear Lift Window, Coupe)
- Antenna Extension Cable Replacement (Convertible)
- Antenna Extension Cable Replacement (Hardtop)
- Antenna Cable Replacement (Windshield)
- Antenna Cable Replacement (Rear Lift Window)
- Coaxial Cable Replacement
- Speaker Replacement - Front
- Speaker Replacement - Rear (Coupe)
- Speaker Replacement - Rear (Convertible)
- Speaker Replacement - Rear (Hardtop)
- Description and Operation
- Radio/Audio System Description and Operation
- Radio/Audio System Description
- AM Mode
- Delco -Bose System
- Compact Disc Player
- Remote Compact Disc Changer
- Antenna System (Coupe)
- Radio Theft -Deterrent Feature
- PWR -VOL Control
- RECALL (Radio) Control
- SCV (Speed -Compensated Volume) Control
- BASS Control
- TREB Control
- BAL Control
- FADE Control
- TUNE Control
- SEEK (Radio) Control
- AM/FM (Radio) Control
- P SCAN Control
- AUTO TONE Control
- ST (Stereo) Indicator
- Push Buttons (Numbered)
- Clock
- Radio/Audio System Operation -Cassette Tape Player
- FWD (Tape) Control
- REV (Tape) Control
- NEXT (Tape) Control
- PREV (Tape) Control
- SEEK (Tape) Control
- PROG Control
- AM/FM (Tape) Control
- TAPE AUX (Tape) Control
- Dolby® Control
- EJECT (Tape) Control
- CLN (Clean) Indicator
- Radio/Audio System Operation - Compact Disc Player (Instrument Panel)
- RECALL (CD) Control
- FWD (CD) Control
- REV (CD) Control
- NEXT (CD) Control
- PREV (CD) Control
- RDM Control
- COMP Control
- AM/FM (CD) Control
- CD AUX (CD) Control
- EJECT (CD) Control
- ERR (Error) Indicator
- Radio/Audio System Operation -Compact Disc Player (Remote Changer)
- PROG (Remote CD) Control
- NEXT (Remote CD) Control
- FWD (Remote CD) Control
- REV (Remote CD) Control
- SEEK (Remote CD) Control
- Random (Remote CD) Mode
- Eject (Remote CD)
- Radio/Audio System Operation -Compact Disc Player (Remote Changer Magazine)
- Radio Theft -Deterrent Activating
- Radio Theft -Deterrent Disabling
- Radio Theft -Deterrent Unlocking After Power Loss
- Radio Theft -Deterrent, Radio Display Code
- Radio Theft -Deterrent, Factory Backup Code
- Radio Theft -Deterrent, Changing Owner's Code
- Radio/Audio System Description and Operation
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.