Porsche 944 Dme Relay Wiring Diagram

Introduction and technical information.

Porsche 944 dme relay wiring diagram. Pelican parts has more than 10000 pages of technical content and information just for you and your944 944s 924 944s2 924gt 924 carrera or 968. They are all very small 20 40k. A broken relay is one of the typical reasons when a porsche 944 is not running. You are right here.

The fuel pump relay on the early cars is located on the fuse relay panel under the dash on the drivers side lhd. Also see the porsche dme relay. Or you are a pupil or maybe even you who just wish to know regarding wiring diagrams for 86 porsche 944. The video gives you a video tutorial how to repair a broken dme digital motor electronics relay.

87b 4 power to fuel pump 85b9 ground from dme to pick up fuel pump 878 power to dme and fuel injectors 851 ground via dme 863 ignition switch and 302 is battery or power. Pin assignment on main. About the dme relay. Looking for details about wiring diagrams for 86 porsche 944.

The dme relay in 944s 924ss 968s and 964s originally bore the part number 94461522700. The dme relay is actually two relays in one. 944 1988 944 turbo 1988 944s 1988 944 1989 944 turbo 1989 944s 1989 944 turbo 1990 944s2 1990 944 1991 944 turbo cabriolet. You could be a specialist who wishes to try to find references or address existing problems.

944 volume 5 electrical automobile pdf manual download. The terminals correspond with the numbers located on the bottom of the relay. The purpose of this relay is to prevent the fuel pump from continuing to operate in the event of an accident. The porsche 944 dme.

One relay controls the cars dme computer and the other controls the fuel pump. The newer part is a direct replacement for the 944 unit and although it looks much the same its claimed by porsche to be more reliable. We have installed a new coil and we have power to the coil 12 volts and when the ignition is on the negative side has has 12 volts too until we start cranking then the voltage drops off to 0. The dme relay actually has two relays contacts.

Here are some porsche motronic dme computer illustrations schematics diagrams found and catagorized. This was updated for the 993 and carried part number 99361522700. The schematics are as follows. 1983 porsche 944 dme relay location we have followed several threads on this forum but we still cannot get the engine to fire.

The dme relay which is used on 19855 and newer 944s is essentially the same as the fuel pump relay used on early 944s.