Does a Ford Transit need two batteries?
Yes, a Ford Transit typically requires two batteries to operate effectively. The Ford Transit is a popular commercial van known for its versatility and reliability, and the use of dual batteries is a common feature in these vehicles.
Reasons for Dual Batteries in a Ford Transit
There are several reasons why a Ford Transit is equipped with two batteries:
- Power Demands: The Ford Transit is designed to handle a wide range of commercial and industrial applications, which can place significant power demands on the electrical system. The use of dual batteries helps to meet these power requirements and ensure reliable operation.
- Redundancy: Having two batteries provides a backup power source in case one battery fails or becomes discharged. This redundancy helps to prevent unexpected breakdowns and ensures the vehicle can continue to operate even if one battery experiences issues.
- Increased Capacity: The combined capacity of two batteries is greater than a single battery, allowing the Ford Transit to handle more electrical loads and accessories without draining the batteries too quickly.
- Improved Starting: The dual-battery setup provides more cranking power, making it easier to start the vehicle, especially in cold weather conditions when battery performance can be reduced.
Overall, the use of two batteries in a Ford Transit is a design choice that enhances the vehicle's performance, reliability, and versatility, making it well-suited for a wide range of commercial applications.
What happens if the auxiliary battery goes out?
If a vehicle's auxiliary battery goes out, electrical accessories and systems may malfunction, the start-stop engine function will likely be disabled, and dashboard warning lights will illuminate. In some cases, a failing auxiliary battery can eventually drain the main battery, potentially causing the car to become completely inoperable and even cause damage to the alternator.
Common symptoms
- Start-stop system failure: The engine will not automatically shut off at idle, or a warning message will display, as the auxiliary battery is needed to restart the engine.
- Dashboard warning lights: A specific "auxiliary battery malfunction" light or a general warning light may appear on the dashboard.
- Malfunctioning accessories: Various electrical systems may stop working or act erratically. This includes features like power windows, door locks, interior lights, the radio, and navigation screens.
- Electrical issues: Electronics may flicker or behave strangely, and things like power windows or sunroofs could operate slowly.
This video explains what to do when you see an auxiliary battery malfunction warning: 49sStudent LessonYouTube · Aug 9, 2024
Potential further consequences
- Main battery drain: A completely failed auxiliary battery can drain the main battery, leaving the car unable to start at all, according to JeepGladiatorForum.com users.
- Alternator damage: If the auxiliary battery causes the main battery to fail, it can put excessive strain on the alternator.
What to do if your auxiliary battery goes out
- Address it immediately: It is best to replace the battery soon to prevent further electrical issues and potential failure of the main battery.
- Seek professional help: If your vehicle is under warranty, contact the dealership. For vehicles out of warranty, a qualified mechanic can diagnose and replace the auxiliary battery.
- Consider your vehicle's design: Some vehicles can function without a separate auxiliary battery, while others may require it for certain features. A mechanic can advise you on whether bypassing the auxiliary battery is a viable option for your specific vehicle, though some Jeep Wrangler forum users have successfully bypassed it.
Do Ford Transits have two batteries?
While some of these Transit vans may have two batteries, instead of just one, they all use the same size battery- an H6 (also known as a Group 48). These batteries are located not in the engine compartment, but underneath the driver's seat.
Do I really need a dual battery system?
If you're happy to rely on an icebox and battery lantern; this is no concern. However; if you enjoy the comforts provided by 12 volt lighting, a car fridge, or technology - you need the power of a second battery to ensure you won't be left stranded with a dead cranking battery.
Which battery starts a transit van?
Petrol
| Engine | Battery | |
|---|---|---|
| Transit | 1.6 Bus | 085 |
| Transit | 1.6 Bus | 085 |
| Transit | 1.6 Platform/Chassis | 085 |
| Transit | 1.7 1000 Bus | 085 |
