DiverDwnPowrRam said:
Well usually you are right Chump but unfortunatly you are wrong in this case. I owned an 85 LWB 318 no O2 sensor. I traded this for the 86 3/4 LWB 360 I still own...no O2 sensor. Both also did not have computers (in the sense of the 10 pin modules) but both did have the dual modified ECU on the driver fender. Not trying to be a smartass but I own two trucks on these years and you can see my engine rebuild on another thread...I like mild over stock but I retain the stock look for restoration.
Well, like the factory information says in my post, "some" have "some" of the sensors.
Also just owning a truck that has not been equipped with something does not mean it wasnt availble or required, have to keep an open mind with the emissions system of yesteryear. I have a 77 W200 that I bought brand new with a 440 and it is different than other trucks but they were equipped based on sales destination.
None of us have seen all the options available for these trucks but they are listed in the factory parts books and the factory service manuals. Remember that these systems are also used on the Dakota and Van that have different GVW specs. Also California and High Altitude vehicles were different. It depeneded on what Zone the truck was ordered for also. You could get 2 differently configured trucks that were ordered from dealers that were just across the street from each other. Remember that a true feedback carb has to have something to feedback from? Most times people think they have a feedback carb just because they see a wire going to it, not so.
Here's a non-inclusive list of emissions configurations for the 86-87 Truck years. I havnt seen all these.
EGR SYSTEMS AND HOSE HARNESSES
EGR SYSTEM 2.2L ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-825
EGR HOSE HARNESS 2.2L ENGINE - EXC. CANADA N BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-850
EGR HOSE HARNESS 2.2L ENGINE - CANADA N BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-875
EGR SYSTEM 225 ENGINE - EXC. CANADA B1,2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-900
EGR HOSE HARNESS 225 ENGINE - FEDERAL AND HIGH ALT. B1,2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1000
EGR HOSE HARNESS 225 ENGINE - CALIF. B1,2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1100
EGR SYSTEM 225 ENGINE - CANADA B1,2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1200
EGR HOSE HARNESS 225 ENGINE - CANADA B1,2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1300
EGR SYSTEM 225 ENGINE - EXC. CANADA D1,2,5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1400
EGR HOSE HARNESS 225 ENGINE - FEDERAL AND HIGH ALT. D1,2,5 . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1500
EGR HOSE HARNESS 225 ENGINE - CALIF. D1,2,5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1600
EGR SYSTEM 225 ENGINE - CANADA D1,2,5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1700
EGR HOSE HARNESS 225 ENGINE - CANADA D1,2,5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1800
EGR SYSTEM 3.9L ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1815
EGR HOSE HARNESS 3.9L ENGINE - FEDERAL AND CALIF. N BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1830
EGR HOSE HARNESS 3.9L ENGINE - HIGH ALTITUDE N BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-1845
EGR STSYEM 318 ENGINE - CANADA W/MAN. TRANS. OR FEDERAL B BODY . . . . . . . . . . . . . . . . . . . . Fig. 25-1900
EGR HOSE HARNESS 318 ENGINE - FEDERAL AND CANADA - MAN TRANS. B BODY . . . . . . . . . . . . . . Fig. 25-2000
EGR HOSE HARNESS 318 ENGINE - FEDERAL AND CANADA - MAN TRANS. B BODY . . . . . . . . . . . . . . Fig. 25-2000
EGR HOSE HARNESS 318 ENGINE - FEDERAL - AUTO. TRANS. B BODY . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-2100
EGR SYSTEM 318 ENGINE - CALIF. AND HIGH ALT. B BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-2200
EGR HOSE HARNESS 318 ENGINE - CALIF. W/MAN. TRANS. AND HIGH ALT. B BODY - UP TO 10-24-85 Fig. 25-2300
EGR HOSE HARNESS 318 ENGINE - CALIF. W/MAN. TRANS. AND HIGH ALT. B BODY - AFTER 10-24-85 Fig. 25-2325
EGR HOSE HARNESS 318 ENGINE - CALIF. - AUTO. TRANS. B BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-2400
EGR SYSTEM 318 ENGINE - CANADA W/MAN. TRANS. OR FEDERAL D BODY . . . . . . . . . . . . . . . . . . . . Fig. 25-2500
EGR HOSE HARNESS 318 ENGINE - FEDERAL AND CANADA - MAN. TRANS. D BODY . . . . . . . . . . . . . . Fig. 25-2600
EGR HOSE HARNESS 318 ENGINE - FEDERAL - AUTO. TRANS. D BODY . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-2700
EGR SYSTEM 318 ENGINE - CALIF. AND HIGH ALT. D BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-2800
EGR HOSE HARNESS 318 ENGINE - CALIF. W/MAN. TRANS. AND HIGH ALT. D BODY - UP TO 10-24-85 Fig. 25-2900
EGR HOSE HARNESS 318 ENGINE - CALIF. W/MAN. TRANS. AND HIGH ALT. D BODY - AFTER 10-24-85 Fig. 25-2925
EGR HOSE HARNESS 318 ENGINE - CALIF. - AUTO. TRANS. D BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-3000
EGR SYSTEM 318 ENGINE - CANADA - AUTO. TRANS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-3100
EGR HOSE HARNESS 318 ENGINE - CANADA - AUTO. TRANS. B BODY . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-3200
EGR HOSE HARNESS 318 ENGINE - CANADA - AUTO. TRANS. D BODY . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-3300
EGR SYSTEM 360 ENGINE - FEDERAL AND HIGH ALT. B BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-3400
EGR HOSE HARNESS 360 ENGINE - FEDERAL B BODY - 1986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-3500
EGR HOSE HARNESS 360 ENGINE - HIGH ALT. B BODY - 1986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-3600
EGR HOSE HARNESS 360 ENGINE - FEDERAL AND HIGH ALT. B BODY - 1987 . . . . . . . . . . . . . . . . . . . . Fig. 25-3625
EGR SYSTEM 360 ENGINE - FEDERAL AND HIGH ALT. D BODY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-3700
EGR HOSE HARNESS 360 ENGINE - HIGH ALT. W/MAN. TRANS. OR FEDERAL D BODY - 1986 . . . . . . . Fig. 25-3800
EGR HOSE HARNESS 360 ENGINE - HIGH ALT. - AUTO. TRANS. D BODY - 1986 . . . . . . . . . . . . . . . . . . . Fig. 25-3900
EGR HOSE HARNESS 360 ENGINE - FEDERAL AND HIGH ALT. D BODY - 1987 . . . . . . . . . . . . . . . . . . . . Fig. 25-3925
EGR SYSTEM 360 ENGINE - CALIF. AND CANADA - 1986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-4000
EGR HOSE HARNESS 360 ENGINE - CALIF. - 1986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-4100
EGR HOSE HARNESS 360 ENGINE - CANADA - 1986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-4200
EGR SYSTEM 360 ENGINE - CALIF. - 1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-4210
EGR HOSE HARNESS 360 ENGINE - CALIF. - 1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-4220
EGR SYSTEM 360 ENGINE - CANADA - 1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-4230
EGR HOSE HARNESS 360 ENGINE - CANADA - 1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-4240
EGR SYSTEM 360 ENGINE OVER 8500 LBS. GVW B,D,T MODEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fig. 25-4300
EGR HOSE HARNESS 360 ENGINE OVER 8500 LBS. GVW B,D,T MODEL - UP TO 12-16-85 . . . . . . . . . . . Fig. 25-4400
EGR HOSE HARNESS 360 ENGINE OVER 8500 LBS. GVW B,D,T MODEL - AFTER 12-16-85 (1986) . . . . . Fig. 25-4410
EGR HOSE HARNESS 360 ENGINE OVER 8500 LBS. GVW B,D,T MODEL - 1987 . . . . . . . . . . . . . . . . . . . Fig. 25
Engine Wiring Harnesses
Notice the options.
4362 483 1 WIRING, Eng. 318 Eng. 60-114, Amp., E.S.A., 1986
4362 486 1 318 Eng. 60 Amp. Calif. w/ESA, 1986
4362 339 1 318 Eng.-114 Amp. w/ECU, 1986
4362 074 1 318 Eng.-114 Amp. w/E.C.U., 1986
4362 078 1 318 Eng. 60 Amp. w/E.C.U..1986
4362 490 1 360 Eng.-114 Amp. E.C.U., 1986
4362 484 1 360 Eng. 60 Amp. w/ECU, Light Cyc. 1986
4163 127 1 318,360 Eng.- 60 Amp. Calif. 1986
4362 485 1 318,360 Eng.- 60 Amp. w/ECU, Canada 1986
4163 128 1 318,360 Eng.-114 Amp, Calif.
4362 070 1 360 Eng.- 114 Amp. 4 BBL. w/ECU, 1986, w/Dual Pick-Up
4362 564 1 318 Eng. 50/120 Amp. E.S.A. 1987
4362 396 1 318 Eng. 78 Amp. E.C.U., 1987
4362 387 1 318 Eng. 78 Amp. w/E.S.A. 1987
4362 392 1 318 Eng. 78 Amp. w/E.S.A. Calif. 1987
4362 566 1 360 Eng. 78 Amp. w/ECU, 1987, Calif.
4362 569 1 360 ENG. 50/120 Amp. E.C.U. 1987
4362 388 1 360 Eng. 78 Amp. E.C.U. 1987
4362 567 1 360 Eng. 50/120 Amp. w/ecu, 1987, Single Pick-Up
4362 389 1 360 Eng. 50/120 Amp. E.C.U. 1987, Dual Pick-Up
4362 551 SNOW FITER