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the_mad_electrician
Joined: 16 Nov 2009
Posts: 1073
Location: Central Georgia
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 Posted: Tue Sep 14, 2010 10:58 am Post subject: PO pains |
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The PO of this 924 had to be the worst mechanic/electrician on earth! Everything that is broken is currently being held together by a full tube of silicon, even the wiring! The wiring is so screwed up I have no idea what's going on and the diagrams are almost useless because at leats 45% of the wires are not original or the color is a mystery! I know I've said it before but this car will have to be completely rewired. I think that'll wait until I get the engine out, I'll just make things work the best I can until then.
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81 924 N/A
2004 Ranger "Edge"
2005 Mazda 6 |
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staticsan
Joined: 19 Jan 2009
Posts: 450
Location: Sydney, Australia
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| Posted: Tue Sep 14, 2010 11:31 am Post subject: |
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Mechanics nowadays just don't appreciate quality German engineering, anymore...
Wade. |
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Scorpio
Joined: 05 Jul 2007
Posts: 1957
Location: Brisbane, Australia
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| Posted: Tue Sep 14, 2010 12:19 pm Post subject: |
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| staticsan wrote: | Mechanics nowadays just don't appreciate quality German engineering, anymore...
Wade. |
there is nothing quality about the wiring and electrics on these cars
_________________
1979 NA
MS1..EFI..
GARRETT T25 TURBO
BILSTEIN SHOCKS
GT BASED CUSTOM BODYKIT
Brisbane , Australia
Think mean think fast
all youll see is
my Porsches Arse!!! |
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924aussie
Joined: 02 Feb 2006
Posts: 1009
Location: Chinchilla Queensland Australia
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| Posted: Tue Sep 14, 2010 12:26 pm Post subject: |
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Talk for yourself I have reels of the stuff now 
Alan
_________________
green 924 .. 1980 rego 924PSH
1998 Mopar Neon ... sick
2003 Challenger / Montery 4WD
1995 Hyundai Scoupe ... sold
1998 Nissan Silvia ... sons back from OS he has taken it
BIG BLOODY MOTORHOME 300zx Sold
1980 Fire truck Sold |
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Scorpio
Joined: 05 Jul 2007
Posts: 1957
Location: Brisbane, Australia
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| Posted: Tue Sep 14, 2010 12:37 pm Post subject: |
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| 924aussie wrote: | Talk for yourself I have reels of the stuff now
Alan |
you can come over and check the progress out after I spray her next few weeks if you want
_________________
1979 NA
MS1..EFI..
GARRETT T25 TURBO
BILSTEIN SHOCKS
GT BASED CUSTOM BODYKIT
Brisbane , Australia
Think mean think fast
all youll see is
my Porsches Arse!!! |
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924aussie
Joined: 02 Feb 2006
Posts: 1009
Location: Chinchilla Queensland Australia
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| Posted: Tue Sep 14, 2010 12:44 pm Post subject: |
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Shouldnt that be before, then I can see the hard to do bits 
Alan
_________________
green 924 .. 1980 rego 924PSH
1998 Mopar Neon ... sick
2003 Challenger / Montery 4WD
1995 Hyundai Scoupe ... sold
1998 Nissan Silvia ... sons back from OS he has taken it
BIG BLOODY MOTORHOME 300zx Sold
1980 Fire truck Sold |
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staticsan
Joined: 19 Jan 2009
Posts: 450
Location: Sydney, Australia
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| Posted: Wed Sep 15, 2010 3:37 pm Post subject: |
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| Scorpio wrote: | | staticsan wrote: | Mechanics nowadays just don't appreciate quality German engineering, anymore...
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there is nothing quality about the wiring and electrics on these cars |
I meant the design, actually.  Well, mostly. Running demister power up the rear struts strikes me as one of the stranger design choices.
One or more of my POs futzed badly with a variety of small things, several electrical. For instance, they couldn't be arsed finding the right wire from the ignition switch to control the radio, so it's on all the time.
Wade. |
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bnoon
Joined: 12 Oct 2009
Posts: 607
Location: West Des Moines, IA USA
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| Posted: Wed Sep 15, 2010 10:42 pm Post subject: |
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I've been fighting PO gremlins too. Wiring missing/wrong color/looped through circuits they shouldn't be, bypassed relays, ripped grommets, drilled holes, broken brackets ty-wrapped together. It's like they were armed with a pair of pliers, ty-wraps, and some duct tape and said "I can restore it" when they looked at the car. All of this on a 67,xxx mile car. Dumasses. 
_________________
'80 924 Turbo - SOLD!
1986 Porsche 944 Turbo - SOLD!
Porscheless  |
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Scorpio
Joined: 05 Jul 2007
Posts: 1957
Location: Brisbane, Australia
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| Posted: Wed Sep 15, 2010 10:47 pm Post subject: |
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I've taken out all the wiring and started from the beginning should all
Work now
_________________
1979 NA
MS1..EFI..
GARRETT T25 TURBO
BILSTEIN SHOCKS
GT BASED CUSTOM BODYKIT
Brisbane , Australia
Think mean think fast
all youll see is
my Porsches Arse!!! |
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v8carreragts
Joined: 05 Sep 2003
Posts: 665
Location: Tucson, AZ
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| Posted: Wed Sep 15, 2010 11:53 pm Post subject: |
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From what i have found, one of the worst part of the wiring is the way all the grounds are connected. Even when nothing has been cut up there are still gremlins in the electricals. Most of which can be traced to the grounding.
I will be using terminal strips on mine to replace the factory ground connections. First, they spot weld a bottle cap like piece to the body with spade connectors on it. Besides the spot weld not being a good conductor, these pieces are not plated so they rust. And they connect most ground wires to these.
On my last 924, I cleaned each of the connectors and replaces the crimped terminals on the grounds and this cures most of the electrical problems. Unfortunately the ground terminals will rust again. |
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Scorpio
Joined: 05 Jul 2007
Posts: 1957
Location: Brisbane, Australia
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| Posted: Thu Sep 16, 2010 12:38 am Post subject: |
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Biggest problem is designing a battery tray as a water runoff catchment storage area....and then putting the fuse and relay board board directly underneath....galvanised steel doesnt like to be submerged. The pics i have will make people cringe im trying to spare people the imagery and not post them
_________________
1979 NA
MS1..EFI..
GARRETT T25 TURBO
BILSTEIN SHOCKS
GT BASED CUSTOM BODYKIT
Brisbane , Australia
Think mean think fast
all youll see is
my Porsches Arse!!! |
|
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the_mad_electrician
Joined: 16 Nov 2009
Posts: 1073
Location: Central Georgia
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| Posted: Thu Sep 16, 2010 8:46 am Post subject: |
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| Scorpio wrote: | I've taken out all the wiring and started from the beginning should all
Work now |
How long did that take?? Where did you get the wire?
_________________
81 924 N/A
2004 Ranger "Edge"
2005 Mazda 6 |
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924aussie
Joined: 02 Feb 2006
Posts: 1009
Location: Chinchilla Queensland Australia
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| Posted: Thu Sep 16, 2010 11:07 am Post subject: |
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In Australia I was able to purchase most of the wire with trace colours from a company called Auto Electrical Distributors. All were in 30 metre rolls and I went for the 4mm size. I have about 12 different rolls.
All connectors were purchased straight from porsche Brisbane. The spade connectors look gold plated
All connectors are about the same price or even cheaper than I have found at a Auto store.
Alan
_________________
green 924 .. 1980 rego 924PSH
1998 Mopar Neon ... sick
2003 Challenger / Montery 4WD
1995 Hyundai Scoupe ... sold
1998 Nissan Silvia ... sons back from OS he has taken it
BIG BLOODY MOTORHOME 300zx Sold
1980 Fire truck Sold |
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