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Author Topic: Hazard lights fault  (Read 238 times)
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Nigel
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« on: August 26, 2020, 10:38:01 PM »

Ref: 84 HPE
The hazards are only working on the right side, but if I select left indicator,they all work.
Indicators work fine both sides.
I bought another haz switch being convinced that would solve it, but no!
Also, the hazards only work with the ign on......thats not correct I think.
And when they are on, with ign, the guages are blipping and warning lights are blinking.

Is this a typical earthing issue, or more than that?

Rgds
Nige
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1984 2.0 Carb HPE [ex Aus] Silver
2007 Mazda 6 2.3 [current daily,highly recommended]
The past:
1980 2.0 HPE White in South Africa [hope it survives!]
1976 1.6 Coupe lancia Blu [PFG 76R] [probably deceased]
oh,and an Uno Turbo 1992 also in SA [stolen,never recovered]
mtulloch
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« Reply #1 on: August 28, 2020, 09:59:23 AM »

First thing I'd do is check for +12v at the switch with the ignition off & go from there.
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Nigel
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« Reply #2 on: August 28, 2020, 05:14:27 PM »

Looks like I wrote bad info.
The haz switch does work with ign off.

I've now found an exact wiring diagram, there's a critical connector block
between the haz switch and the column stalk, maybe even two.
Out comes the panel again!......and whilst there,i'll check earthing points.

Thanks mtullock.
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1984 2.0 Carb HPE [ex Aus] Silver
2007 Mazda 6 2.3 [current daily,highly recommended]
The past:
1980 2.0 HPE White in South Africa [hope it survives!]
1976 1.6 Coupe lancia Blu [PFG 76R] [probably deceased]
oh,and an Uno Turbo 1992 also in SA [stolen,never recovered]
Nigel
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United Kingdom United Kingdom

Posts: 156


« Reply #3 on: September 02, 2020, 06:32:18 PM »

Hello again!
I pulled the panel out and found a lot of corrosion and loose terminals.
I removed the terminal block,cleaned it up and squeezed and refitted all the spades.

Is there another similar,yet to be found, earth point?

Nige





* 20200902_180940_resized.jpg (216.28 KB, 490x1008 - viewed 44 times.)
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1984 2.0 Carb HPE [ex Aus] Silver
2007 Mazda 6 2.3 [current daily,highly recommended]
The past:
1980 2.0 HPE White in South Africa [hope it survives!]
1976 1.6 Coupe lancia Blu [PFG 76R] [probably deceased]
oh,and an Uno Turbo 1992 also in SA [stolen,never recovered]
hutch6610
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« Reply #4 on: September 02, 2020, 11:11:29 PM »

Not like that on the inside no, the only other similar is under the headlights (like a crown shape)  but i doubt they would have any effect on the hazards.
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Nigel
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« Reply #5 on: September 03, 2020, 06:33:25 PM »

Hutch, good to know,thanks.
And yes, those 'star' shaped earthing points x 2 by the headlights are clean and shiny from a previous job.

Further, i've indentified a connector where the L/H blue/black runs in my wiring diagram, just got to find it.

I've got an MOT booked for Tuesday,and this is the only known fault!

Cracking on......

Nige
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1984 2.0 Carb HPE [ex Aus] Silver
2007 Mazda 6 2.3 [current daily,highly recommended]
The past:
1980 2.0 HPE White in South Africa [hope it survives!]
1976 1.6 Coupe lancia Blu [PFG 76R] [probably deceased]
oh,and an Uno Turbo 1992 also in SA [stolen,never recovered]
squiglyzigly
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Online Online

United Kingdom United Kingdom

Posts: 204



« Reply #6 on: September 04, 2020, 08:52:30 AM »

I think the hazard light switch itself can be quite troublesome. You can strip in down and clean the contacts and springs inside fairly easily.

Good luck with the mot

Ian
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