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Boostsideways
Joined: 11 Feb 2009
Posts: 100
Location: CT, Southbury
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 Posted: Sun Apr 05, 2009 4:26 am Post subject: Can wants to but wont start.. |
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Was driving it one day fine, parked, pulled out the park, got like 30yrd then the thing just did a total shut down. REALLY wants to start cranks and all, just wont kick over. my friend told me the crank trigger sensor, i thought 82 turbos dont have a crank trigger sensor because of the dist cap and the 7prong ignition control unit.. I thought? If there is one tho pics or locations please? The thing just wont start! (air flap is fine no vacuum leaks.. no sign of elec problems)
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Just wait 'till my turbo starts firin' the RPM LZR!
My car= Porsche 924 turbo, 1982. |
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Sun Apr 05, 2009 8:25 am Post subject: |
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Still trying to work on this thing with no manual?
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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Boostsideways
Joined: 11 Feb 2009
Posts: 100
Location: CT, Southbury
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| Posted: Sun Apr 05, 2009 10:03 am Post subject: |
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No i have the book, an like i said i dun think its the crank trigger sensoer cause of the distrub an ign ccon unit an' everything.. just looking for ideas.. more on if anyone knows why my fuses keep blowing.. i just put a new sound system in it, works fine sounds fine.. got a 100w amp to power my 10" sub and two door speakers.. head units wired in right i'd imagine.. only it dosnt save the time or anything or any settings.. i always gotta redo it .
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Just wait 'till my turbo starts firin' the RPM LZR!
My car= Porsche 924 turbo, 1982. |
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Boostsideways
Joined: 11 Feb 2009
Posts: 100
Location: CT, Southbury
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| Posted: Sun Apr 05, 2009 10:05 am Post subject: |
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an p.s. , whenever i "beat on" her a lil, usually comin off the highway my car rpm meter just drops and the car basically dies inless i really feather the gas.. always gotta pull over sit for a min then restart an shes fine.. whats up with that?
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Just wait 'till my turbo starts firin' the RPM LZR!
My car= Porsche 924 turbo, 1982. |
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Joes924Racer
Joined: 03 Nov 2002
Posts: 11964
Location: Oregon, Denver Colorado native!
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| Posted: Sun Apr 05, 2009 10:38 am Post subject: |
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hey your titles messed up what kind of can do you have.. ha haha
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1979 porsche 924 Na
1980 porsche Turbo 931GT Replica
Have u ever driven a turbo. |
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924RACR
Joined: 29 Jul 2001
Posts: 9112
Location: Royal Oak, MI, USA
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| Posted: Sun Apr 05, 2009 9:38 pm Post subject: |
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| Boostsideways wrote: | | an p.s. , whenever i "beat on" her a lil, usually comin off the highway my car rpm meter just drops and the car basically dies inless i really feather the gas.. always gotta pull over sit for a min then restart an shes fine.. whats up with that? |
That's your answer right there! You do have a crank pos sensor, 81-82 do, and sounds like it's OK generally, just a bad connection getting jostled by most likely bumps (that's what I had). Check the smaller, 3-pin connector on the DITC unit (ECU under the heater unit), I have recurrent corrosion on mine. Just have to scrap it clean.
On the radio and fuses... I assume you're powering the amp directly from the battery? In that case, of course, there's no impact from the tunes on the blown fuses. If not, well of course that'd be dumb.
What fuses are blowing? Can be aggravated by corrosion; IMO the fuel pump circuit is overloaded on these cars - too much stuff on the same old circuit to have good durability. I had to replace my one fuse with a couple; prior to that, the fuse would overheat. Corrosion on the stock fusebox contacts aggravates things too. 
I've got a couple amps in my 82, but powered direct, no worries.
Sounds like the head unit doesn't have a dedicated always-on power lead, which is what it'll need to keep the clock right etc. You might be able to figure out which one needs that power, by pulling the head unit - usually they'll have a wiring diagram on a sticker on the backside.
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Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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joecitizennn
Joined: 12 Sep 2005
Posts: 2096
Location: no mans land
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| Posted: Mon Apr 06, 2009 6:03 am Post subject: |
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if it dosent start, it dosent want to start.  |
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Boostsideways
Joined: 11 Feb 2009
Posts: 100
Location: CT, Southbury
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| Posted: Tue Apr 07, 2009 12:39 am Post subject: |
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Ya the wiring for my head unit it totally different lookin then this weird porsche wiring.. I'll just never have a working in car clock..
ima go re-clean everything and double check that D box..
btw i checked the other connection on it, it looks like the female parts have like goldish "holders" the conducters on the inside.. but there only in a few lots are missing in other parts its just blk plastic..
Should I change that connection? Finding one would be hard i'd imagine..
And If I do have this God damn sensor people keep telling me i do then dont then do have, WHERE is it, any PICTURES? 'cause it sure aint in my book ANYWHERE.
(Edited - So I can actually READ it without hurting my eyes!!! - 924RACR)
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Just wait 'till my turbo starts firin' the RPM LZR!
My car= Porsche 924 turbo, 1982. |
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Tue Apr 07, 2009 1:09 am Post subject: |
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Haynes will NOT have a picture or hardly any useful reference info for a turbo car, let alone a series 2 version, which you have.
Unless I'm mistaken, the crank sensor is near the top of the bellhousing, not too far distant from the window where you check timing. It will be hard to see. Get a flashlight, and very gently start moving the vac lines and wires on the driver side of the coil. Peer down at the bell housing and see if you can make it out. Not easy to get to in situ.
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erstwhile owner of just about every 924 variant ever made |
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924RACR
Joined: 29 Jul 2001
Posts: 9112
Location: Royal Oak, MI, USA
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| Posted: Tue Apr 07, 2009 1:37 am Post subject: |
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What Dan said. Straight under the coil on the bellhousing.
You should be able to reproduce your problem simply by wiggling the grey wire to/from the sensor, most likely at the DITC.
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Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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