HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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1998 LS1 Factory PCM Pinouts

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1998 LS1 Factory PCM Pinouts

Post  gt1scca on Sat Jun 20, 2009 5:15 am

This is a list from the GM service manual of all of the wires / pins on the 98 LS1 PCM.

PCM Connector C1 (RED) 80 Pin Connector

Pin / Wire color / Circuit No. / Function

1-2 - - Not used
3 WHT 1310 EVAP Canister Vent Solenoid Valve Control
4 BRN/WHT 633 Camshaft position Sensor signal
5-6 - - Not used
7 YEL 400 VSS Signal High
8 - - Not used
9 PNK/BLK 1746 Injector #3 control
10 - - Not used
11 DK BLU 229 VTD Fuel Engine
12 LT BLU/BLK 844 Injector #4 Control
13 RED/WHT 2122 Injector #2 Control
14 DK GRN 59 A/C Status
15 BLK/WHT 845 Injector #5 Control
16-17 - - Not used
18 YEL/BLK 846 Injector #6 Control
19-20 - - Not used
21 PPL 719 IAT Sensor Ground
22 DK BLU 1225 Transmission Range Signal B
23 LT GRN/BLK 1745 Injector #2 Control
24 BLK/WHT 1704 Sensor Ground Jumper
25 PNK 1224 Transmission Range Signal A
26 - - Not used
27 RED/BLK 877 Injector #7 Control
28-29 - - Not used
30 GRY/BLK 1687 Spark Retard Signal
31 DK BLU/WHT 878 Injector #8 Signal
32 ORN/BLK 434 PNP Switch Signal
33 BLK 1744 Injector #1 signal
34 GRY or WHT 587 or 687 Skip Shift Solenoid (M/T) or 3-2 Shift Solenoid (A/T)
35 LT GRN 1222 1-2 Shift solenoid
36 DK/BLU 1936 Fuel Gauge Output Control
37 BRN/WHT 419 MIL Control
38 - - Not used
39 DK GRN/WHT 459 A/C Clutch Relay Control
40 WHT or YEL/BLK 375 or 1223 Skip Shift Lamp Control (M/T) or 2-3 Shift Solenoid (A/T)
41 BRN/WHT 1173 Low Oil Level Indicator Lamp Control
42 LT GRN 1652 Reverse Inhibit Solenoid Control
43 DK/GRN 335 Cooling Fan Relay #1 Control
44 YEL 573 Crankshaft Position Sensor signal Input
45 DK GRN/WHT 428 EVAP Canister Purge Valve Control
46 - - Not used
47 DK GRN/WHT 762 A/C Request signal
48 YEL 492 MAF Signal
49 PPL 2121 Ignition #1 Control
50-51 - - Not used
52 PPL/WHT 2128 Ignition #8 Control
53 RED 2127 Ignition #7 Control
54 LT BLU/WHT 2126 Ignition #6 Control
55 DK GRN/WHT 817 VSS Output Signal
56 DK GRN 2125 Ignition #5 Control
57 DK GRN/WHT 2124 Ignition #4 Control
58 LT BLU 2123 Ignition #3 Control
59 BRN/WHT 2130 Ignition Control Reference Low Bank 2
60 BRN 2129 Ignition Control Reference Low Bank 1
61 RED 1226 Transmission Range Signal C
62 BLK 552 EGR Pintle Position Ground
63 BLK 407 A/C Refrigerant Pressure Sensor Ground
64-70 - - Not used
71 PPL 401 VSS Signal Low
72 BLK 451 PCM Ground
73-74 - - Not used
75 GRY 720 Left and Right Fuel Tank Level Sensor Ground
76 BLK 451 PCM Ground
77 PPL 420 TCC/Brake Switch Signal
78-80 - - Not used

PCM Connector C2 (BLUE) 80 Pin Connector

Pin / Wire color / Circuit No. / Function

1 TAN 1671 HO2S Signal Low Bank 2 Sensor 2
2 TAN/WHT 1669 HO2S Signal Low Bank 1 Sensor 2
3 TAN 800 Serial Data (UART)
4 RED 631 Camshaft Position Sensor B+ Supply
5 TAN 1667 HO2S Signal Low Bank 2 Sensor 1
6 TANWHT 1653 HO2S Signal Low Bank 2 Sensor 1
7 RED/BLK 380 A/C Refrigerant Pressure Sensor Signal
8 TAN 472 IAT Sensor Signal
9 BRN 1456 EGR Pintle Position Sensor signal
10 PPL 30 Fuel level Sensor Signal
11 - - Not Used
12 DK BLU 417 TP Sensor Signal
13 YEL/BLK 1227 Transmission Fuid Temperature Sensor Signal
14 ORN/BLK 1057 Transmission Fluid Temperature Sensor Ground
15-18 - - Not Used
19 PNK 439 PCM Ignition 1 Feed
20 ORN 340 PCM Battery Feed
21 BLK 451 PCM Ground
22 YEL/BLK 1868 Crankshaft Position Sensor Ground
23 BLK 452 TP Sensor Ground
24 BLK/WHT 1704 Sensor ground Jumper
25 BRN 718 ECT Sensor Ground
26 ORN/BLK 469 MAP Sensor Ground
27 - - Not Used
28 DK BLU 473 Engine Cooling Fan Relay #2 and #3 Control
29 - - Not Used
30 BRN 436 AIR Pump Relay Control
31 TAN/BLK 421 AIR Solenoid relay Control
32 BRN 422 TCC Enable Solenoid
33 BRN 418 TCC (PWM) Solenoid Valve Ground
34 GRY 435 EGR Valve Ground
35 WHT 121 Engine Speed (Tach) Output signal
36 LT BLU/WHT 1229 Transmission Fluid Pressure Control Solenoid Control Low
37 DK GRN/WHT 465 Fuel Pump Relay Control
38 LT BLU 697 EGR Valve Control Circuit
39 RED/BLK 1228 Transmission Fluid Pressure Control Solenoid Control High
40 - - Not Used
41 PPL 1670 HO2S Signal High Bank 2 Sensor 2
42 PPL/WHT 1668 HO2S Signal High Bank 1 Sensor 2
43 GRY 596 TP Sensor 5V Reference
44-45 - - Not Used
46 PPL 1666 HO2S Signal High Bank 2 Sensor 1
47 PPL/WHT 1665 HO2S Signal High Bank 1 Sensor 1
48 LT GRN 432 MAP Sensor Signal
49 YEL 410 ECT Sensor Signal
50-51 - - Not Used
52 DK GRN 890 Fuel Tank Pressure Sensor Signal
53 - - Not Used
54 LT GRN/BLK 444 IAC Coil B Low
55 LT BLU/BLK 1748 IAC Coil A Low
56 LT BLU/WHT 1747 IAC Coil B High
57 LT GRN/WHT 1749 IAC Coil A High
58 PPL 1807 Serial data (Class 2)
59 - - Not Used
60 BLK 451 PCM Ground
61 ORN 340 PCM Battery Ground
62 LT GRN 1867 Crankshaft Position Sensor B+ Supply
63 - - Not Used
64 GRY 416 MAP Sensor 5.0Volt Reference
65 GRY 705 5V Reference
66 GRY 474 A/C Refrigerant Pressure Sensor 5.0 Volt Reference
67 GRY 598 5V Reference
68 LT BLU 1876 Knock Sensor (KS) Rear
69 DK BLU 496 Knock Sensor (KS) Front
70 PNK BLK 632 Camshaft Position Sensor Ground
71-75 - - Not Used
76 BRN 1174 Oil Level Sensor Signal
77-80 - - Not Used

gt1scca

Posts : 795
Join date : 2009-06-08
Age : 48
Location : Belton, SC

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gt1scca v8 conversion manual

Post  GMMASTERTECH on Mon Apr 04, 2011 12:12 pm

mr Sloan , I have read many of your posting and information thru out this site and others and would like to tell you. Thank you for all the time and effort you put into helping you fellow 944/LS conversion counterparts. NowI need you help on Feb 25 2011 an order was placed with your company (GT1 SCCa) for a LS conversion manual --Invoice #5pe77863vy860141p the funds were deducted from my account by yourself for $54.95 which included handling and I waited. I waited with my excited 16 year old son for an entire month, After 30 days I sent you an e-mail and asked for a status update. You promptly responded with "I am sorry for the oversite and the manual will be shipped Saturday" March 26th We then returned to our 944 father/son project, fitting some more of the widebody panels as we waited. Last week I sent you an e-mail asking about our manual but this time there has been no response from you. Mr. Sloan as I said earlier I need you help, trying to teach my son how to do ones research, plan, buget and be respectful has become a challange due to way your company is not living up to it's responablities. We have now invested one month and 17 days into getting this manual please look into this matter and inform me of the resolution.

Gmmastertech and son

Benjamin Larue 770-656-5577 [You must be registered and logged in to see this link.]

GMMASTERTECH

Posts : 8
Join date : 2011-02-21
Age : 57
Location : Atlanta Ga

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Re: 1998 LS1 Factory PCM Pinouts

Post  Admin on Mon Apr 04, 2011 1:07 pm

Benjamin,
I would not put to much time and energy into waiting to get the manual. Like a lot of people on this and other sites, you have probably seen the last of your money and heard the last that you will from Greg. He no longer frequents this site, if he does it's in the back ground only.
Do not put your project on hold just for a book that you really don't need. All your questions can be asked on this forum and might have already been answered. If you need help just ask, there's always someone here to help.
Thanks
Admin.

Admin
Admin
Admin

Posts : 1428
Join date : 2009-06-08
Age : 59
Location : Arlington,Texas

http://www.TexasPerformanceConcepts.com

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