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baloo's Avatar
Any ideas where these plugs go into??

So, I'm back to working on my 87 3,2 Carrera that used to have a giant turbo engine. The engine blew, the car sat for 10 years, and then they replaced the defective engine with a stock 3.2L.

They kept all the turbo gauges in place in the cabin, but lotsa stuff was removed in the engine compartment, leaving several disconnected wires/plugs.

So, I'm trying to sort out what these might be for.

Per the pics, there are TWO plugs that stick out on the left side of the engine compartment, AND there are no fuses in the rear fuse panel.

Any ideas what the plugs might be for, or what I am lacking due to the empty fuse panel>

See below pics.

This 3-prong plug is in the center of the pic, alongside the fuel filter in the left side of engine compartment.

The 8-prong plug (center of pics) is likewise by the left side fuel filter.

Here is my empty rear fuse panel -- still showing that it is wired to SOMETHING.

Any ideas about any of these unknowns?


Old 10-11-2014, 02:31 PM
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oilonly's Avatar
Join Date: May 2008
Posts: 1,148
The three prong looks like an O2 sensor connection.
'87, Modified WUR, Billet valve, 965 downpipe, Kokeln intercooler, GHL headers, Garrett T04B K27 hybrid, Tial w/.8 bar, WEGO IV, RarlyL8 dual out, LSD
Old 10-11-2014, 02:39 PM
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Rocket Scientist
Join Date: Jun 2008
Location: Detroit
Posts: 948
The three prong round connector is for the oxygen sensor connection. The eight pin rectangular connector once connected to a Capacitive Discharge Ignition (CDI) box. The three missing fuses once ran (1) O2 sensor relay (Turbo) or engine blower (Carrera), (2) nothing (Turbo) or engine blower (Carrera) and (3) rear window defroster.

Last edited by Speedy Squirrel; 10-12-2014 at 06:27 AM..
Old 10-11-2014, 04:48 PM
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