Question about 1987 Porsche 944

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Testing the sunroof relay on a 1987 Porsche 944 non-turbo

How do you test the main (underhood) sunroof relay on a 1987 Porsche 944 non-turbo? I've tested the other relays, all micro and position switches, the main toggle switch and the motor and they all check OK. The last thing is the main relay, and it's expensive, so I want to make sure it is bad before I buy one. The problem is that it won't work in the up position. It will work if I jump the motor with a power probe.

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  • Contributor
  • 25 Answers

If we can afford the car then go by the relay? pelican parts or e-bay ?

Posted on Jan 07, 2012

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Posted on Jan 02, 2017

blueextc3221
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SOURCE: Fuel pump reset button

http://www.9ss1.dk/porsche944/garage/vol1a/vol1a.html

Posted on Dec 24, 2008

daves944
  • 1050 Answers

SOURCE: ECU

Under the the feet of the passenger. If you pull back the carpet there will be a plywood cover, the ecu is under that.

Posted on Apr 26, 2009

  • 12 Answers

SOURCE: what kind of oil do I need to get for my 1987 Porsche 944 Turbo

it all depends on how many miles the car has, if had you put synthetic oil in your car b4, where do you live is it cold weather or hot. well its a Porsche 944 so it probably has a lot of miles you should probably put a higher wt oil so i would use mobile 1 fully synthetic 10W30

Posted on Apr 28, 2009

  • 1348 Answers

SOURCE: '87 Porsche 944 Turbo Airbag Light blinking incl. the "!" on dash

check the abs pump fuse .the abs pump or a sensor could trigger it. get a scan done...the code will tyell you what is wrong

Posted on May 27, 2009

  • 12 Answers

SOURCE: how do you take off the sunroof of a 1986 944

Turn ignition on, make the sunroof go up and all the way down, turn off ignition and press the sunroof button to go down. Then unclip the 2 front hooks and push up.

Posted on Jul 30, 2009

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84 porsche 944 replaced new spark plugs and wires,cap,rotor,coil,emc,DME relay,fuel pump, reference speed sensors, new battery, and still no start. Any suggestions is what to do next?


Not much left unchanged is there and no doubt you have done compression testing on all 4 cylinders as well. (If not you need to). I assume it is cranking over normally with the starter motor but not firing.

I would try one of the Porsche Owners Forums for this as one of the other 944 owners there should be able to help..... Like this one..................

Porsche 924 944 968 Technical Forum Pelican Parts Technical BBS

Jan 24, 2016 | Porsche Cars & Trucks

1 Answer

I`ve a 1986 porsche 944 turbo.i`ve replaced both crankshaft sensors,dissy cap and DME relay as it would not start.now the car does start but not very well,chucking out black smoke,hesitates when you press...


to me could be a gasket problem if you are blowing smoke when applying gas. just a suggestion. have you checked the oil? to see if milky? keep me informed please. Thanks.

Jul 16, 2010 | 1986 Porsche 944

1 Answer

1985 Porsche 944 - Fans on radiator will not work


we will usually check fuses and relays first. then put power directly to the fans and see if they power on. this will narrow down your problem

Apr 11, 2010 | 1985 Porsche 944

1 Answer

The sunroof on my porsche 944 1986 does not operate on the switch it will work if you take the two new relays out and jump power to the motor and with the relays in you can here them clicking when you push...


check your fuse panel box make sure you have power to that relay? and pull the box out the best you can and make sure youe connector is plugged in?underneath ? trace wires back to the box thats where she gets her power?

Mar 04, 2010 | 1987 Porsche 944

1 Answer

'87 Porsche 944 Turbo Airbag Light blinking incl. the "!" on dash


check the abs pump fuse .the abs pump or a sensor could trigger it. get a scan done...the code will tyell you what is wrong

May 27, 2009 | 1987 Porsche 944

2 Answers

What kind of oil do I need to get for my 1987 Porsche 944 Turbo


Valvoline Racing 30 wt. no it should not burn oil ; do a compression test

Apr 28, 2009 | 1987 Porsche 944

1 Answer

1987 944 porsche transmission and differntial fluid


I'm assuming that this is a 5 speed stick car because you mentioned 80-90 oil. This car has a transaxle, not a a separate transmission and differential. The transaxle houses the transmission gears and the differential all in one housing. There is a drain plug on the bottom a fill plug on the side. Here's a link to one of the best do-it-yourself 944 sites on the web. Click on the "garage shop manual" link in the sidebar and scroll down to "transaxle fluid change".

http://www.clarks-garage.com/

Apr 26, 2009 | 1986 Porsche 944

4 Answers

Porsche 944 electric fan keeps running even when ignition is turned off


Replace the cooling fan relay, another person had the same issue, that's waht it was.

Oct 07, 2008 | 1989 Porsche 944

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