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How to troubleshoot a trailer electric brake problem?

How to troubleshoot a trailer electric brake problem? Inadequate trailer ground Check for proper grounding. Ground through trailer hitch is inadequate. Broken magnet lead wires Bench check magnets & replace if necessary. Loose wheel bearings Check & adjust bearings. WEAK BRAKES Loose connections Check that all connections are clean and tight. When do you need a selective resistor for trailer brakes? A selective resister Is required when brakes have greater power than is necessary for the weight on the axle. Install selective resistor when necessary Weak or broken springs Check for weak or broken springs & replace if necessary. DRAGGING...
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What should you check if the charge bulb warning light remains on when the engine is idling?

What should you check if the charge bulb warning light remains on when the engine is idling? If the warning light glows above idling speed, you should check the charging circuit wiring for any poor connections that are causing a high resistance. Disconnect the battery leads to avoid a short circuit . Then check the battery terminals, making sure they are clean. What can trigger Check Engine Light? Here's a look at six common reasons that a check engine light comes on.Faulty Mass Air Flow Sensor. Failing Catalytic Converter. Faulty Oxygen Sensor. Bad Battery or Charging System. Failing Ignition Coil....
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What does the error code p1780 stand for?

What does the error code p1780 stand for? This error code is a manufacturer-specific trouble code, meaning it does not apply to all vehicles makes. Rather, it applies only to specific vehicle makes, such as Ford and Toyota. Specification of the definition, troubleshooting, and repairs still vary from one make and model to another. What does it mean if your OBD code is p0703? Although generic, the specific repair steps may vary depending on make/model. If you discover that a code P0703 has been stored in your OBD-II vehicle, it means that the powertrain control module (PCM) has detected a...
Common questions

Is the upper radiator hose supposed to be hard?

Is the upper radiator hose supposed to be hard? Is upper radiator hose supposed to be hard? pressure cap-if your system is tight, no leaks, then it is normal for the upper hose to be hard when the system is up to operating pressure. when it is not hard, then either the pressure cap is leaking or there is another leak somewhere else that prevents the pressure from building up like it should. What happens when you replace the radiator cap? As long as you have replaced the radiator cap, then there should not be excessive pressure in the cooling...
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Is it OK to drain the battery on a laptop?

Is it OK to drain the battery on a laptop? This memory effect lowered the useful life of a charge dramatically, requiring the purchase of a new battery long before it should have reached the end of its useful life. Therefore, if you still have a laptop that uses a nickel-cadmium battery you should let it discharge completely before allowing it to recharge. What to do if your laptop battery is not working? Though you can always re-install the battery and try again—maybe the battery was just poorly seated. If your laptop doesn't have a visible battery compartment on the...
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How fast does a Mustang go 0-60?

How fast does a Mustang go 0-60? To take things up a notch, the Ford Mustang GT comes with a 5.0-liter Ti-VCT V8 engine with port fuel direct injection. In total, it generates a whopping 460 horsepower and 420 lb-ft of torque, helping this model go from zero to 60 mph in a mere 4.2 seconds. When does a Mustang engine hesitate during acceleration? Ford Mustang Engine hesitates during acceleration Inspection at your home or office. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. Our certified mobile mechanics can come to...
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How long can you leave brake fluid?

How long can you leave brake fluid? Most manufacturers recommend that any open bottle of DOT brake fluid should be used within 12 months, or else discarded. Keep in mind that a full year is the very outside limit of what would be acceptable. Should you use old brake fluid after brake service? In ideal conditions, an unopened bottle of brake fluid lasts about two years. It's best to use a new bottle of brake fluid every time you need it because the fluid attracts moisture as soon as it is opened. In high-humidity areas, moisture is absorbed through the...
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Is it bad to only change one brake pad?

Is it bad to only change one brake pad? It is not recommended to get your brake pads changed on one side only. While it may be tempting since only one side has worn down, replacing brake pads on just one side will only cause further uneven wear and could be dangerous. How often should you change your brake pads? Brake change recommendations vary by vehicle. Some mechanics recommend a rule of thumb of 25 percent brake life remaining. Some shop manuals recommend change with as low as 10 percent life remaining. Even with 40 percent life remaining it is...
Easy lifehacks

Why do you need to clean your EGR valve?

Why do you need to clean your EGR valve? In this Article:Article SummaryTo Clean A Mechanical EGR ValveTo Clean An Electronic EGR ValveCommunity Q&A. Since the 1960s, vehicle manufacturers have installed Exhaust Gas Recirculation (EGR) valves to reduce nitrous oxide (NOX) emissions. The EGR valve recirculates a small amount of exhaust into the combustion cycle. Where can I get access to the EGR valve? If you do not have direct access to the EGR valve without removing a lot of parts, you can find the nearest access to the EGR valve. On some vehicles, the closes access point to the...
Common questions

When does a fuel pump go into vapor lock?

When does a fuel pump go into vapor lock? Vapor lock happens when the temperature of fuel gets high enough to transform liquid into a vapor state. Fuel pumps are designed to pump liquid, not air, and the increased pressure inside the fuel lines keeps the fuel pump from being able to keep the fuel moving. What kind of vapor valve does a Ford F-150 have? I purchased this product with Ford Fuel Vapor Valve E7DZ-9B593-A replaced D6AZ-9B593-A and E2AZ-9B593-A Fits most Fords 1971-1989 for the new gas tank that I installed in my 1987 4.9l, l-6 F-150 XL. What...