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2003 Ford F-250 Super Duty XL 5.4L Relay Box ?
there is a black box in center of dash that buzzes all the time. except when you step on the brake pedal it stoppes buzzing. I have switch the box with known good unit but it isn't the box. Thank you
Summary posted 2/24/2017
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Related Documents & Media | VIN | 1FTNF21L93 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 6-speed Standard |
| Delivery | Fuel Injection |
| Affected | Relay Box ? |
| Conditions | Buzzing Noise |
Message Closed w/Summary
Vehicle Data
2003 Ford F-250 Super Duty XL
| VIN | 1FTNF21L93 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 6-speed Standard |
| Delivery | Fuel Injection |
| Affected | Relay Box ? |
| Conditions | Buzzing Noise |
Video