LED Turn Signal Flasher for 1998-2008 Subaru Forester

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LED Turn Signal Flasher
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LED Turn Signal Flasher for 1998-2008 Subaru Forester

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This is a replacement turn signal flasher module. It will eliminate fast turn signal blinking, known as hyperblinking, that occurs when you replace your turn signal bulbs with LEDs. It has been designed specifically for use with LEDs.

This module is specifically for your vehicle! It will be 100% plug and play. Just remove the factory flasher, and plug this one in.


Why do you need this module? When your factory turn signal bulbs go out, your vehicle's flasher senses that less power is being used, and it will blink the turn signals quickly to alert you. When LED turn signal bulbs are installed, it lowers the load on the circuit too, because LEDs use less power. You get the fast blinking, known as "hyperblinking," even though the LEDs are functioning just fine. Basically, your car thinks the bulbs went out!

To slow down the blinking to regular speed, you can add resistors to increase the circuit's power consumption again. However, whenever possible, replacing the flasher with a module like this is the easiest option. This is the unit that actually controls the blinking speed, and makes the "clicking" noise.

Bulb Size No
Year 1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008
Make Subaru
Model Forester
Application LED Flashers
  1. great service good products Review by jack

    I did purchase a different flasher unit ? my mistake as it was not as good as this one from Diode Dynamics better sound and timing on flashes, good quality product, excellent service. (Posted on 1/18/17)

  2. No Hyperblink, easy to install Review by Chris

    Works exactly as advertised. Just keep in mind, if you have big hands and/or thick arms you may have problems getting to the plug. I had to unfasten a few modules to get to it. (Posted on 5/19/15)

  3. EDIT: function = OEM; audible clicking off by a little Review by Subie Prepper

    After additional testing, I found that even though the audible "clicking" noise of the Diode Dynamics LED module is delayed briefly vs. the OEM module, the actual LIGHTS are illuminated immediately upon engaging the turn signal switch (stick). The clicking sound (and actual lights) continue for about 2.5 flashes after the stick pops back into place once the turn is complete, but this is obviously no big deal. (Posted on 8/20/14)

  4. No Hyper-Blink; Delay Issue; Easy Install (allows for mods) Review by Subie Prepper

    Product performs as advertised. I have never had the dreaded "hyper-blink" problem since I installed it and put in the HP11 turn signals. Install was straight-forward, and the construction of the module allowed for some minor modifications so that I could properly (firmly) install it in the same location as the original.

    This may well be a problem only with a Subaru, or a Forester, or just MY car, or even with the single module... but it bears mentioning.

    The module engages the new LED turn signals properly, with no hyper-blink. Look great, too! But there is now a noticeable delay in the audible "clicking" sound as well as the first/last actual "blinks" of the lights in relation to the action of the stick/switch on the steering column compared to the OEM module. When the stick is engaged, there is a very brief pause before the clicks/blinks begin; after the stick automatically pops back to the neutral position, the clicks/blinks continue -- at least 2-3 times. The OEM module triggers the first click/blink instantaneously with the engagement of the stick and cuts them off instantly when it returns to neutral. Again, not a "big deal," but I have already started to engage the stick earlier to indicate my turns, and the continued clicking after turns is just, well, awkward and annoying. I have also lost the ability to purposefully make ONE precise flash/blink. This is handy in just a few driving scenarios, like interstate lane changes in very light traffic, or to quickly indicate/warn a driver approaching me from behind that I am braking suddenly because the car IN FRONT of me is turning, not me (rear driver can't see their turn signal). Bummer. But not a deal-breaker. (Posted on 8/16/14)

Worry-free warranty

  • -Full 3-year warranty on all products
  • -No waiting: we usually send new items out with a return label (US customers only)


You will get quick help from our trained staff for any issues.

All Stage Series products carry a limited 8-year warranty.

For further details, please see our full article.

Domestic (US) Customers

  • - Same-day shipping for all orders placed by 12:00 PM CST (or until 4 PM with rush processing)
  • - USPS, for delivery in 3-5 days (on average)
  • - Express services are available, see exact pricing at checkout
  • - Fully Insured


International Customers

  • - We ship to all countries via standard mail
  • - Usually around $10 for LEDs, or $25 for HIDs.
  • - Choose your service on checkout to see exact prices:
  • - USPS 1st Class: 2-5 weeks
  • - USPS Priority: 1-2 weeks
  • - Express EMS: 1 week
  • - Please email us if you are unsure about shipping to your country.

You will receive updates from our site when your order is shipped, along with a unique shipment number to ensure that your order is correctly accounted for. This allows you to easily reply to us if you have any concerns.

Whether your order is big or small, it is tested through many run cycles, and each bulb is tested before shipment. Every single bulb. Every time. And if anything does go wrong, you can rely on our industry-leading warranty for worry-free replacement.

If you're not happy with your items, we want to make it right. So we have some pretty awesome return policies:


30 day return policy. All customers have 30 days from the date of original order shipment to return items.

Full refund, no fees. At Diode Dynamics, we offer free returns. That means no restocking fees, no administrative fees, and no hassle!

 Free return label. If your original order was over $50, you get a free return label for your items (US customers only). If your order was less than $50 or international, you can send the items back through your preferred method.


Within 30 days: If your original order was over $50, you can get new items shipped to you with a return label (US customers only). If your order was less than $50 or international, we can send you the new items first, but you are responsible for returning the old items.

Within 90 days: Any item can be returned for exchange or store credit within 90 days. The buyer is responsible for the cost of the return shipping, and must first return the old items. We'll still cover the postage for the new items.


Please note: due to the nature of custom acrylic pieces, we cannot offer any refund or exchange for returned custom acrylic items.


To make a return or exchange, please request an RMA, or give us a call. When we get it back, you will be notified and credited appropriately.

Again, all returns must be approved, with an RMA. This is so that we can process your return as quickly as possible when we get it. If you would like to return an item, please Request an RMA. Please include as much information as possible about the reason for return.

Alternatively, you can also send us a message, or give us a call!