2005-2008 Dodge Magnum Neutral Safety Switch: A Complete Guide
Having trouble starting your Magnum? The neutral safety switch could be the culprit.
- A no-start condition where the car starts in Neutral but not Park is a primary symptom.
- This is a DIY-friendly repair for models with an external switch, typically taking about an hour.
- Check for NHTSA recall 05V460000, which can cause a rollaway risk, even though it's not a direct switch failure.
- Aftermarket brands like Standard Ignition and Crown offer reliable, cost-effective alternatives to OEM parts.
Is Your Magnum Refusing to Start?
A no-crank, no-start situation in your 2005-2008 Dodge Magnum can be frustrating. While it could be a dead battery or a bad starter, a faulty neutral safety switch is a common cause. This switch can wear out over time, leaving you stranded. Understanding the symptoms can help you diagnose the problem correctly and get your Magnum back on the road.
Symptoms of a Failing Neutral Safety Switch
When this switch starts to fail, it can cause several distinct problems. You might notice one or more of the following:
🎬 Watch: See these common symptoms and proven fixes in action.- Starts in Neutral, but not Park: If your Magnum starts when the shifter is in Neutral but not in Park, it's a classic sign the switch is failing or out of alignment.
- No Crank at All: The switch may fail completely, creating an open circuit. This means no power reaches the starter, no matter what gear you're in. You'll turn the key and get nothing but silence, though your lights and radio may still work.
- Intermittent Starting: You might have to jiggle the gear shifter to find the 'sweet spot' where the engine will crank. This indicates worn internal contacts.
- No Reverse Lights: Since the switch also tells the car when it's in Reverse, failed reverse lights are a common symptom.
- Starts in Any Gear: This is a serious safety hazard. If the switch shorts internally, it might allow the car to start in Drive or Reverse, causing it to move unexpectedly.
Important Safety Recall Information
While not a recall on the neutral safety switch itself, be aware of NHTSA Recall 05V460000. This recall affects some 2005-2006 Magnum models with the 42RLE automatic transmission. An improperly installed plug could prevent the transmission from fully engaging in 'Park,' potentially leading to a rollaway. Always use your parking brake. You can check if your vehicle is affected on the NHTSA website.
Choosing the Right Aftermarket Part
For the 2005-2008 Dodge Magnum, the neutral safety switch is a part where aftermarket options can offer good value. The original Mopar parts can be expensive and harder to find. Here’s a look at the available aftermarket brands.
| Brand Tier | Our Brands | General Quality & Price |
|---|---|---|
| Standard Grade | Standard Ignition (SMP), Crown Automotive | These are well-known brands that aim to meet or exceed original specifications. Standard Ignition is a large manufacturer of automotive electronics. Crown Automotive specializes in parts for Chrysler vehicles and is a popular choice for OEM-style replacements. You can generally expect good fit and performance. |
| Economy Grade | Replacement | This is a budget-friendly option. While it will get the job done, be aware that some owner reviews for economy brands in general mention occasional fitment issues that may require small modifications during installation. It's a viable choice if cost is your primary concern. |
Frequently Asked Questions
Can I replace the neutral safety switch myself?
Yes, for a moderately skilled DIYer, this is a manageable job. It typically involves safely raising the vehicle, locating the switch on the side of the transmission, disconnecting the electrical plug and shift linkage, removing two bolts, and installing the new part. You may need to align the new switch correctly. Always disconnect the battery before starting.
🎬 See this walkthrough on replacing the sensor without special tools.Where is the neutral safety switch located on a Dodge Magnum?
For models with an external switch (like those with the 42RLE transmission), it is mounted on the driver's side of the transmission case, where the gear shift lever attaches.
My Magnum has a V8. Is the switch different?
Yes. Magnums with the 5.7L or 6.1L V8 typically have the Mercedes-designed W5A580 (NAG1) transmission. On these models, the transmission range sensor function is integrated into the conductor plate (or valve body), which is inside the transmission oil pan. This is a more complex and expensive repair. The aftermarket switches discussed here are for models with the externally mounted sensor.
🎬 Watch: How to remove the conductor plate on V8 models.Will a bad neutral safety switch cause a Check Engine Light?
Yes, it can. A failing switch can trigger the Check Engine Light. A common trouble code is P0705, which indicates a malfunction in the transmission range sensor circuit.
Helpful Videos
Technical Specifications
OEM Part Numbers: 4659677AC
Also known as a Transmission Range Sensor. Controls starter engagement and reverse light operation.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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