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FrankenBimmer electrical

 
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dale



Joined: 22 Aug 1999
Posts: 3085
Location: Seattle, WA USA

PostPosted: Mon Mar 15, 2010 11:37 am    Post subject: FrankenBimmer electrical Reply with quote

Here are some random notes on the electricals of my swap.

Reference AKG's site for details on the harness adapter. This adapts your E30 harness to the E34/E36 engine harness:
http://www.akgmotorsport.com/usm50swappins.php


We used an E34 engine wiring harness from a vanos 525i, there may be some wiring code differences between E36 and E34.

Engine Sensor Connections:

Camshaft position sensor:
located on the side of the head by the oil filter cap
yellow: signal to DME pin 17
red/white: 12V
brn/org: ground

Crankshaft position sensor:
located on the front timing cover
black : neg signal to DME pin 43
yellow : pos signal to DME pin 16
no-color: grounds to brn/org

Cyl 1-3 Knock Sensor
located on the block, above the alternator
black: signal to DME pin 70
no-color: grounding shield

Cyl 4-6 Knock Sensor
located on the block, above the starter
black: signal to DME pin 69
no-color: grounding shield

Intake Air Temp Sensor
located in the intake manifold, underneath and to the right of the throttle body
gray: signal to DME pin 77
brown: sensor ground to DME pin 44

Engine Coolant Temp sensor
located under the intake manifold, towards the front, color blue, 2pins
brown/red: signal to DME pin 78
brown: sensor ground to DME pin 44

Throttle Position Sensor
located on the right side of the throttle body
red/yellow: 5V from DME pin 59
brown/black: signal to DME pin 73
brown: sensor ground to DME pin 44

VANOs
located front of valve cover
green/blue: ground through DME pin 7
red/white: 12V

Evap Emissions Valve
brown: ground through DME pin 36
red/white: 12V

Idle Speed Control Valve
located under throttle body
white/green: signal from DME pin 29
white/yellow: signal from DME pin 2
red/white: 12V
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