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 Holes above front indicator
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greg124
Starting Member

United Kingdom
25 Posts

Posted - 10 Nov 2017 :  21:30:04 Show Profile Reply with Quote
My 96 has the usual holes above the front indicator/sidelight unit, and it appears this is approximately where one corner of the aluminium bracket that retains said unit sits. Considering the bracket also has white powdery deposits,add the presence of water and a small electric current, and this looks like differential corrosion.
Has anyone come up with a good solution for this? Before I attempt to re-invent the wheel

Derek
V4 Guru

United Kingdom
1785 Posts

Posted - 11 Nov 2017 :  11:36:30 Show Profile Reply with Quote
On my '76 these U shaped retainers were steel and rusty so I remade them. Can't think why they would be made of an alloy. Any one else with alloy retainers? I can imagine someone making replacements from alloy strip because that's what was available and was easy to bend up.
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melle
V4 Guru

United Kingdom
2342 Posts

Posted - 11 Nov 2017 :  14:41:53 Show Profile Visit melle's Homepage Reply with Quote
They should be steel and as Derek already indicated, most are rotten. I've remade a good few from random scrap metal, both mild steel and stainless.

www.saabv4.com
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greg124
Starting Member

United Kingdom
25 Posts

Posted - 12 Nov 2017 :  14:04:06 Show Profile Reply with Quote
Thank you both.
If someone has made these aluminium brackets up at home, they have taken time and care doing so. Unfortunately they are now badly corroded.
I'm sure I have some stainless lying around somewhere, as this sounds the best solution
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72sonett3
V4 Fanatic

Spain
204 Posts

Posted - 12 Nov 2017 :  21:49:41 Show Profile Reply with Quote
On my '77 96 the bracket is steel too. The unit itself is an alloy but it sits inside a rubber boot that insulates it from the steel fender.

--
'72 97
'77 96L conv.
'79 96GL (LPG)
'83 900i (LPG)
'95 900SE conv.
'99 9-3T

Edited by - 72sonett3 on 12 Nov 2017 21:59:09
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greg124
Starting Member

United Kingdom
25 Posts

Posted - 14 Nov 2017 :  19:08:54 Show Profile Reply with Quote
Unfortunately there is nothing insulating the steel bolts from the alloy light unit. This has resulted in the first broken bolt on this project. Perhaps I should replace the bolts with plated ones when refitting
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72sonett3
V4 Fanatic

Spain
204 Posts

Posted - 14 Nov 2017 :  19:56:12 Show Profile Reply with Quote
I forgot if the lights have a dedicated ground wire or if the ground connection is through the bolt and bracket to the steel wing.

If there is no ground wire it would be a good thing to fit one and use plastic bolts.

--
'72 97
'77 96L conv.
'79 96GL (LPG)
'83 900i (LPG)
'95 900SE conv.
'99 9-3T
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greg124
Starting Member

United Kingdom
25 Posts

Posted - 21 Nov 2017 :  16:19:55 Show Profile Reply with Quote
There are three wires, the black one is ground.
Some time ago I fitted metal registration plates to the 900 using plastic screws. I've tried one of the old steel screws that I removed and it's the correct thread for the light unit. Just got to track down the 'safe place' where I put the left over plastic screws.
...and I've found a sheet of stainless, or to be more precise an old deep fat fryer lid
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green96v4
V4 Fanatic

Canada
317 Posts

Posted - 22 Nov 2017 :  10:19:08 Show Profile Visit green96v4's Homepage Reply with Quote
see if this helps



From memory, the ground is piggybacked into the main beam 3-pin plug that then grounds on the multi-ground that's screwed into the inner wing under the voltage regulator (I hope that makes sense)
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72sonett3
V4 Fanatic

Spain
204 Posts

Posted - 22 Nov 2017 :  10:44:13 Show Profile Reply with Quote
Here's another:


--
'72 97
'77 96L conv.
'79 96GL (LPG)
'83 900i (LPG)
'95 900SE conv.
'99 9-3T
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greg124
Starting Member

United Kingdom
25 Posts

Posted - 23 Nov 2017 :  12:25:14 Show Profile Reply with Quote
Very useful. Thank you gentlemen.
I have printed out the top one, as it is much easier to read than the post-card sized diagram in the Haynes.
Just one question - should there be a second wire to the clock for illumination, or is it not illuminated?
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72sonett3
V4 Fanatic

Spain
204 Posts

Posted - 23 Nov 2017 :  17:40:00 Show Profile Reply with Quote
The Saab clock has a lamp opening on the side, connect it parallel to the dash lighting (with a green wire) through the existing rheostat (if that still works...).
The clock is pre wired (blue wire).

--
'72 97
'77 96L conv.
'79 96GL (LPG)
'83 900i (LPG)
'95 900SE conv.
'99 9-3T
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green96v4
V4 Fanatic

Canada
317 Posts

Posted - 24 Nov 2017 :  16:10:18 Show Profile Visit green96v4's Homepage Reply with Quote
That's why I recreated in colour, got tired of looking at the Haynes manual version in glorious monotone! (usually through a magnifying glass!)

quote:
Originally posted by greg124
Very useful. Thank you gentlemen.
I have printed out the top one, as it is much easier to read than the post-card sized diagram in the Haynes.
Just one question - should there be a second wire to the clock for illumination, or is it not illuminated?

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greg124
Starting Member

United Kingdom
25 Posts

Posted - 25 Nov 2017 :  18:05:44 Show Profile Reply with Quote
Great job green96v4. What CAD package did you use?
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green96v4
V4 Fanatic

Canada
317 Posts

Posted - 27 Nov 2017 :  12:49:10 Show Profile Visit green96v4's Homepage Reply with Quote
Adobe Illustrator (I'm a Graphic Designer, so I use ai everyday)

I have a poster-sized version of it on my garage wall
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James Ranaldi
V4 Guru

United Kingdom
1365 Posts

Posted - 27 Nov 2017 :  18:27:09 Show Profile Reply with Quote
Impressive

1968 V4, LHD
1984 99 GL
1992 C900i Convertible
1993 C900 LPT Convertible
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