1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Problem! Turn indicator/hazard lights

Old 05-14-03, 03:52 AM
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Problem! Turn indicator/hazard lights

Hi all!
1984 12A (UK car) came back from the body shop yesterday and now the hazards/turn signals are totally dead.
I cahnged the fuse....nothing. Searched the forums and read the Haynes and now I'm confused as hell!
In my electronic ignorance I looked for relay F03 under the steering column and couldn't see anything that had the required 3 wires going in/out of it. Just a black 'relay-check lamp' with 4 wires...
Other posts say that the flasher relay is actually in the CPU (a replacement would be difficult enough to get over here...); is this true and would it control both the hazards and the turn signals?
Any help would be appreciated so I don't get some clown driving up my ***..

Dave
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Old 01-15-08, 07:58 PM
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Dave, I am in the same sinking boat! Pretty sure we need a new CPU. Find a wreck and salvage one. Mazda parts guy just looks blankly back at me when I ask him anything. lol
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Old 01-15-08, 08:19 PM
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check the factory service manual for your year: http://rx7.foxed.ca
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Old 01-15-08, 08:24 PM
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the flasher cpu is located on the left side, under the dash on U.S. spec cars, just above the hood release. it is a black rectangular shaped box. when this unit goes bad it will cause the turn signals and flashers to function intermittently or not to function at all.
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Old 01-16-08, 12:43 PM
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Originally Posted by mazdaverx713b View Post
the flasher cpu is located on the left side, under the dash on U.S. spec cars, just above the hood release. it is a black rectangular shaped box. when this unit goes bad it will cause the turn signals and flashers to function intermittently or not to function at all.
Hi guys, only my 2nd post on here but I saw UK spec car mentioned.
Exactly right, the flasher unit is a black rectangular box, but it's very difficult to get to and on the UK spec cars it's similarly also high up above the hood release. Therefore it seems that it's on the other side to US spec. cars.
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Old 01-16-08, 12:52 PM
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Take a look here. I have pics of the flasher unit (US spec).

https://www.rx7club.com/1st-generation-specific-1979-1985-18/electrical-fuses-wires-etc-429246/

The flasher itself is removable from the CPU unit. I am not sure if you could find a replacement at an autoparts store or not.
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Old 01-16-08, 01:22 PM
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Wonder if the US spec would fit...I have an extra one...might cost a bit to ship it there, though...
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Old 01-17-08, 06:19 AM
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From memory the US spec picture looks just like the UK spec; I doubt there would be a difference. I recently got some glass hatch struts from Dickens in CA, he shipped to England and that was easy.
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Old 01-18-08, 01:24 PM
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I have a spare CPU if you need it. Don't know how long it'd take to get there, tho.
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Old 01-19-08, 05:06 AM
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if the car was in a body shop having work done to it, they may have unplugged the turn signal assemblies to remove them then neglected to hook them back up later.

might be worth checking.
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Old 02-26-19, 10:36 AM
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Originally Posted by gsl-se addict View Post
Take a look here. I have pics of the flasher unit (US spec).

https://www.rx7club.com/showthread.php?t=429246

The flasher itself is removable from the CPU unit. I am not sure if you could find a replacement at an autoparts store or not.
Hello Addict, I have been searching the internet for awhile and I still can't locate a replacement flasher. By chance do you or anyone else know of some parts store or someone that may have one for sale? Thanks...

Last edited by mrnorthcarolinarx-7; 02-26-19 at 10:46 AM.
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Old 02-26-19, 10:40 AM
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Hello 85 FB, do you still have the spare CPU and by chance do you have a picture of the CPU? Thanks...
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Old 02-26-19, 11:21 AM
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Last edited by rxtasy3; 02-26-19 at 11:28 AM.
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