Why does my Porsche 944 tach not work?
The factory alarm grounds out the coil wire (could be the reason you tach does not work) and cuts the power to the DME relay so the fuel pump will not work. Usually the alarm unit has the necessary relays inside. NOT a ‘real’ Porsche — Its Better!!!!
Is the Porsche 944 s capable of self diagnosis?
944 S is capable of a self-diagnosis. That is to storing and displaying system errors. The con- an altered part number. A specially developed nals af the fuel and ignition system. memory will be erased. Test sequence terminated / igniti Error code / test code Ignition on DME control unit. play must appear.
When to switch on ignition on Porsche 944 s?
During working order or defective. wiring connection ara detected by the tester. (see display) appears on the function display. pears on the function display. Switch on the ignition within 8 seconds. pears on the function display.
How does Ara work on a Porsche 944 s?
Functions ara triggered from the diagnosis tester. During working order or defective. wiring connection ara detected by the tester. (see display) appears on the function display. pears on the function display. Switch on the ignition within 8 seconds. pears on the function display. This activates are activated.
Why is the tach not working on my 944?
944 tach not working, help!!!! I have a ’84 944 and have installed 3 different tachometers, and none of them do anything! The car runs fine, but the MPG guage, shift indicator, and tach are non functional. The ground is good, and the back lights work.
What are the relays on a Porsche 944?
The relay on the later 994s actually has two relays within it, one that powers the DME and KLR on the 951 and a separate relay that powers the fuel pump and heater for the O2 sensor.
Why is my 944 fuel gauge reading 12 volts?
Click here to order! Tech Tip: Strange Gauge Behavior in a Late (Series 2) 944. I wrote this article after having some strange readings on my instrument cluster – to include: fuel gauge reading 1/2 full when I just filled the tank, voltmeter constantly reading 12 volts.
How can I Fix my 87 Pelican tachometer?
To fix yours you need It will take between 10 minutes to half an hour to get the gauges out. They come out as a complete assembly, and it’s not too difficult. 2) You could check pins 2,3 and 4 on the second loom connector against the circuit diagram for your 87 car.