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Username Post: GM OBD1 ADAPTOR?        (Topic#349121)
rain_man_rich 
Contributor
Posts: 141

Loc: Grants Pass, OR
Reg: 02-09-14
01-11-18 07:09 PM - Post#2720821    

Is there such a thing as an adaptor that plugs into our 88-95 trucks that can be read by an OBD2 scan tool? If so, do they provide sensor data such as O2, TPS, etc.? Do they work? Is there a better way?



 
2plus2 
Member
Posts: 1155

Loc: Mission,BC
Reg: 02-03-05
01-11-18 07:21 PM - Post#2720823    
    In response to rain_man_rich

Nothing I have seen like that other then this
You can make the cables
http://www.aldlcable.com

69 Canadian Pontiac 2+2
factory L48 350 Chev,TH350,PW,PT
99 Silverado RCLB 4.8 NV4500 14BSF 4.10's locker 6" Procomp 35 bfg m/t's 9k winch cutout flares
07 Town Car Loaded,Tinted,Getting Bagged


 
454cid 
Valued Contributor
Posts: 2948

Age: 45
Loc: West Michigan
Reg: 02-18-12
01-11-18 08:41 PM - Post#2720830    
    In response to rain_man_rich

You need a scan tool that will handle OBD1.

99 K3500 RCLB


 
CowboyTrukr 
"7th Year" Silver Supporting Member
Posts: 4017
CowboyTrukr
Loc: Salt Lake City
Reg: 06-20-09
01-12-18 11:15 PM - Post#2720906    
    In response to 454cid

There are OBD1 cables, but the OBD2 reader will not work unless it's multi lingual

Greg

'95 K1500 Z71 EC Short Step 5.7L+0.040/NV3500
'00 Explorer XLT 4.0 V6 Auto
'94 K2500 5.7 NV4500 ECLB - SOLD
‘87 GMC S15 SCLB 4.3 Auto - SOLD

"The only thing necessary for evil to triumph is for good men to do nothing" Sir Edmund Burke


 
bowtie44s 
Valued Contributor
Posts: 4035
bowtie44s
Age: 35
Loc: wv
Reg: 08-29-12
01-12-18 11:37 PM - Post#2720912    
    In response to rain_man_rich

Download winaldl and buy or make the cable and you can watch all your sensors on a laptop.

Jeff

'88 Chevy K3500, aluminum head roller cam 511in³ stroker 10.5:1 compression, 96 NV 4500, 94-98 grille, 305/70-16 (33x12) BF Goodrich KM2s, 91 cluster swap


 
rain_man_rich 
Contributor
Posts: 141

Loc: Grants Pass, OR
Reg: 02-09-14
01-13-18 02:55 PM - Post#2720960    
    In response to bowtie44s

Thanks everyone! I think I will go for making the cable and using a laptop.



Edited by rain_man_rich on 01-13-18 02:55 PM. Reason for edit: No reason given.

 
thx1138v2 
Contributor
Posts: 153

Reg: 05-01-14
01-13-18 03:04 PM - Post#2720962    
    In response to rain_man_rich

There are 5 parts to this

1. OBDI connector and cable goes to data reader/logger module
2. Data reader/logger module
3. Cable that goes from data reader/logger module to a PC, usually a laptop computer
4. Laptop computer
5. PC software to capture read/logged data.

The following handles the first 3 items.
http://www.moates.net/aldu1-and-cabl1-p-127 .html?c...

There are a lot of software packages available. One popular package:
http://www.moates.net/tunerpro-rt-v5-p-68.html?cPa...



 
junkman104 
Frequent Contributor
Posts: 1234

Age: 59
Loc: Murphy N.C.
Reg: 01-25-14
01-13-18 04:38 PM - Post#2720967    
    In response to thx1138v2

Snap-on MT2500 scanners can be bought cheap nowadays, and will give you data as well. I still use the one I bought 20 years ago.



 
Shepherd 
Frequent Contributor
Posts: 1424

Loc: Lake George, NY
Reg: 11-11-15
01-13-18 05:02 PM - Post#2720970    
    In response to junkman104

Actron also makes a fairly cheap Obd 1 scanner.



 
4dr 57 
Valued Contributor
Posts: 4531
4dr 57
Loc: Texas Hill Country
Reg: 11-10-04
01-14-18 06:28 AM - Post#2721000    
    In response to rain_man_rich

  • rain_man_rich Said:
Is there such a thing as an adaptor that plugs into our 88-95 trucks that can be read by an OBD2 scan tool? If so, do they provide sensor data such as O2, TPS, etc.? Do they work? Is there a better way?





Why all the bother? I bought a OBD1 scan tool from Scoggin Dickey Chevrolet's GMPP Dept. that has quite a complete list of readouts and live reports.
Stanley



 
65_Impala 
Very Senior Member
Posts: 4070

Reg: 12-29-02
01-15-18 11:08 AM - Post#2721099    
    In response to rain_man_rich

I use a FTDI FT232RL adapter board. The USB end goes to the PC. The pins connect to the ALDL port. Connect GRD on the adapter board to the ground terminal of the ALDL port. Connect the TX and RX of the adapter board together and connect to the data pin of the ALDL port.


This isn't where I bought it, but this is the board I used.

https://www.fasttech.com/product/1122000-jy-mc u-us...


I just wired the adapter at the dash and use a 10' USB extension cable to run out to the PC.


Then, get Tunerpro live and the appropriate adx file for your truck. Use gearhead-efi.com for the adx file.



 
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