 Flasher Relays, How to bench test. ? |
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| jim_hoyland |
 Jan 14 2025, 02:43 PM
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#1
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Get that VIN ?  Group: Members Posts: 9,598 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California 
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I have a couple of Hella TBD 26 flasher relays that I would like to test out on the bench.
The pin outs are: 31 49a 49 C @Spoke Attached thumbnail(s)  
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Replies(1 - 3)
| fixer34 |
Jan 14 2025, 08:25 PM
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#2
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Senior Member Group: Members Posts: 1,227 Joined: 16-September 14 From: Chicago area Member No.: 17,908 Region Association: Upper MidWest
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Is there a diagram on one side?
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| jim_hoyland |
Jan 15 2025, 07:46 AM
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#3
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Get that VIN ? Group: Members Posts: 9,598 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California
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No diagram
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| Spoke |
Jan 15 2025, 01:26 PM
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#4
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Jerry Group: Members Posts: 7,126 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None
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@jim_hoyland
Here's a schematic showing how to connect the flasher relay to test it. Pin 49: Connect to 12V power supply Pin 31: Connect to Ground Pin 49a: Connect minimum of two 1156 bulbs or equivalent resistor 6 ohm, 50W. Connect the other side of the bulbs/resistor to Ground. The 6 ohm, 50W resistor is one of those ballast resistors sold when one does an LED conversion. Also found at Digikey. Pin K/C2/C: This pin will be pulled to 12V when the load (bulbs, resistor) is applied. Connect a small bulb to this pin to Ground.  |
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