Ignition Coil Guide for 1947-1952 Crosley Pickup
Keep your classic Crosley running strong by understanding, diagnosing, and replacing its ignition coil.
- Ensure you purchase a 6-volt ignition coil specifically for the 1947-1952 Crosley's electrical system.
- Symptoms of failure include no-start, stalling when hot, misfiring, and power loss.
- Aftermarket brands like Standard Ignition are the most reliable and available source for a new coil.
- Replacement is a simple, beginner-friendly DIY task that takes less than an hour.
Symptoms of a Failing Ignition Coil
Ignition coils on vintage vehicles like the Crosley Pickup can fail from age, heat, and vibration. When a coil starts to go bad, it can cause noticeable problems. One issue noted by Crosley owners is difficulty starting the engine when it's hot, which can sometimes be traced back to a coil breaking down under heat.
Common Failure Symptoms:
🎬 Watch this video to see common symptoms of a bad coil.- No-Start Condition: The engine will turn over but won't fire up because there is no spark.
- Engine Misfires or Rough Idle: The truck may shake, stumble, or run poorly, especially when idling. This happens when the coil provides an irregular or weak spark.
- Stalling: The engine may suddenly shut off, particularly after it has warmed up, and can be difficult to restart.
- Backfiring: Loud popping sounds from the exhaust can occur when unburnt fuel ignites in the exhaust system due to a lack of spark.
- Loss of Power: The truck may feel sluggish or hesitate during acceleration because the cylinders aren't firing correctly.
Choosing the Right Aftermarket Coil
For a 1947-1952 Crosley Pickup, finding a "New Old Stock" (NOS) or original equipment (OEM) ignition coil is nearly impossible. The most practical and reliable option is a new aftermarket part. Modern aftermarket coils from established brands are manufactured to high standards and can be more dependable than a 70-year-old original part.
Brand Focus: Standard Ignition
🎬 Learn why choosing OE-quality ignition coils is essential for reliability.Standard Motor Products (often sold as Standard Ignition or Blue Streak) is a widely available and well-regarded brand for vintage vehicle ignition components. Their products are known to meet or exceed original specifications, making them a trusted choice for keeping your Crosley on the road. They offer 6-volt coils specifically listed as compatible with 1947-1952 Crosley models.
Pro Tip: The most critical step is to confirm you are buying a 6-volt ignition coil. These pickups use a 6-volt electrical system, and using a 12-volt coil will result in a very weak or no spark. Conversely, using a 6-volt coil on a 12-volt system without a proper ballast resistor can cause the coil to overheat and fail.
Typical Replacement Costs
Replacing the ignition coil on a Crosley Pickup is an affordable repair. The part itself is not expensive, and the labor is straightforward.
| Part or Service | Estimated Cost |
|---|---|
| New Aftermarket Ignition Coil | $32 - $39 |
| Used OEM (Salvage) | $20 - $75 (Varies by condition) |
| Shop Labor | $50 - $120 |
Frequently Asked Questions (FAQ)
Is this a 6-volt or 12-volt ignition coil?
The 1947-1952 Crosley Pickup uses a 6-volt electrical system. You must use a 6-volt ignition coil. Using a 12-volt coil will not provide the correct spark.
Do I need an external ballast resistor?
For a standard 6-volt system using a 6-volt coil, you typically do not need a ballast resistor. Ballast resistors are primarily used to allow a 6-volt coil to work on a 12-volt system. Always follow the specific instructions included with your new coil.
How do I test my old ignition coil?
You can perform a basic test with a multimeter. While specific resistance values can be hard to find for vintage parts, you can check for continuity on the primary and secondary windings. A more definitive test is to check for a strong, blue spark from the coil output wire while cranking the engine. If the spark is weak, orange, or non-existent, the coil is likely bad.
Is replacing the ignition coil a difficult job?
No, this is a very simple job for a DIY mechanic. The coil is typically mounted to the engine or firewall with a simple bracket and has only two low-voltage wires and one high-voltage wire to the distributor. The entire process usually takes less than 30 minutes.
Helpful Videos
Technical Specifications
Voltage: 6V, Type: Oil-filled canister, Primary Resistance: Approx. 1.0-2.0 Ohms (typical for 6V systems without ballast), Secondary Resistance: Approx. 7,000-9,000 Ohms
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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.