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 DIAGNOSIS (SINGLE PAGE)ELECTRICALCOMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORMOTORS
1999 GMC Forward Control 5.7 R, Automatic
Electrical Component Locator: Motors
1999 GMC Forward Control 5.7 R, AutomaticSECTION Motors
MOTORS
| Component | Component Location |
|---|---|
| Auxiliary Engine Cooling Fan (6.5L VIN F) | Mounted on front of radiator. |
| Auxiliary Engine Cooling Fan (6.5L VIN Y) | Mounted on front of radiator. |
| Engine Coolant Fan Motor | Mounted to radiator. |
| Fuel Balance Pump (Dual Tanks Only) | On inside of left frame rail. |
| Fuel Injection Pump (6.5L VIN F) | On top front of engine. See Figure. |
| Fuel Injection Pump (6.5L VIN Y) | On top front of engine. |
| Fuel Lift Pump (6.5L VIN F) | On inside right frame rail. |
| Fuel Lift Pump (6.5L VIN Y) | On inside right frame rail. |
| Ignition Timing Stepper Motor (6.5L VIN F) | Part of fuel injection pump. |
| Ignition Timing Stepper Motor (6.5L VIN Y) | Part of fuel injection pump. |
| Park Brake Pump Motor (Motor Home) | In auto apply park brake component box, on right frame rail behind transmission. See Figure. |
| Windshield Wiper Motor | Body builder installed. |
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.