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12 votes
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Is it possible to repair an intermittent or flaky turn signal flasher relay?

Yes you can often repair turn signal flashers! A variety of things can be wrong: here's one of them. Solder joints on the relay printed circuit boards are especially vulnerable to stress cracks, due ...
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  • 397
5 votes
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Why did the old-school thermal flashers remain in use for so long?

Three major reasons why they were used so long: 1. Cost - Even today a thermal flasher units cost about $2-2.50. The cheapest equivalent electronic flasher unit, which happens to be a direct ...
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4 votes

Why did the old-school thermal flashers remain in use for so long?

At the time your mg was originally made, the thermal flasher unit was cheap and effective. The use of electronics in most cars came along later, such as electronic ignition only became common place in ...
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3 votes

Why did the old-school thermal flashers remain in use for so long?

First of all, thermal flashers do NOT blink faster when a bulb blows - they flash slower. Bulb-out indication by "hyper-flashing" is a function of electronic relay flashers and some solid ...
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3 votes

Why did the old-school thermal flashers remain in use for so long?

In comparison with a flasher built with a few semi-conductors: They're bigger in size, No, not really. Electronics were pretty big until recently. In 70's a transistor that could hold enough current ...
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3 votes
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What are the common causes of inconsistent/dead flashers?

If they work inconsistently, it may indicate bad electrical contact. In older cars the technique used for the on/of nature of flashers, is based on heat caused by current. If there's not enough ...
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2 votes

What are the common causes of inconsistent/dead flashers?

Common Issues - Poor Grounds Moisture either in the bulb housing (causing a short) Moisture around the fuse box (or where ever the flasher relay is located) Incorrect bulb type/material (some older ...
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  • 21
1 vote

1987 mazda b2000 turn signal flasher location

Could be as simple as a fuse. (NOT a fusible link.) The hazard system is on a separate fuse that allows operation even with the ignition off. Do the reverse lights work? That's an important clue. ...
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1 vote

I shorted out my flasher relay, what would have been damaged?

Every Most electrical circuits in the car should be protected by a fuse. There are commonly two fuse panels, one under the hood with some large fuses, and one somewhere in the cabin with some smaller ...
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  • 3,002
1 vote

I shorted out my flasher relay, what would have been damaged?

I would check the supply fuse for that circuit as a first step.
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  • 34.4k

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