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Interface Cable Offerings

No longer selling cables. See Tunercat's web site for cables now.

ALL of the cables are for GM OBDI computers. They do NOT work on any true OBDII system, even though some use an OBDII *style* connector. If you've retrofit an OBDI system in to a OBDII car - we're good... if you're working on another style of retrofit (truck, street rod, etc) then we need to make sure that our wires line up. See the "Technical Info" to the left side of the screen.

There is one source of major confusion, hopefully these descriptions will help clarify:

"Older Style" OBDI Connector - 12 Pin, Rectangular Shaped, used on the following vehicles:
Up to 1994 F-body, Up to 1993 Y-body, Up to 1995 B-body, all SyTys, most other pre-1996 GM Vehicles

"Newer Style" OBDII Connector - 16 Pin, "D"-Shaped, used on the following vehicles:
1995+ F-bodies, 1994+ Y-bodies, and all 1996+ GM Vehicles

Be sure you check your connector if unsure!

RS232 cables are based on the MAX232ECPE (Electro-static-discharge resistant) interface chip, and is fully RS232 compliant. USB is based on the FTDI FT232R interface chip.
 
1. Not Available. Cable with molded OBDI Connector, approx. 13 ft. in length (RS232) or 9 ft in length (USB)
Recommended for use with LT1_Edit Software, TTS Datamaster, and other high performance communications software (go to my order form)
X
2. Not Available. Cable with molded OBDII-style connector, approx. 13 ft. in length (RS232) or 9 ft in length (USB)
Recommended for use with LT1_Edit Software, TTS Datamaster, and other high performance communications software (go to my order form)
X
Y. Not Available. Cable with both molded connectors (OBDI and OBDII-style) - I call it an OBD-Y , approx. 13 ft. in length (RS232) or 9 ft in length (USB)
Recommended for shops that service multiple cars (go to my order form)
X
3. Cable with crimp-style pins and plastic OBDII connector, approx. 15 ft. in length, RS232 (The pins are soldered to the wires, but it's not as pull resistant as the molded cable) (go to my order form) X
4. Cable with DB15 Male connector for use with a Hypertech cable or plug adapter, approx. 15 ft. in length, RS232 (go to my order form) X
5. Converter with USB or RS232 cable, no connector or wire on the automobile side (it does include a DB25 connector and hood, but you must connect to the car somehow - DB25 Pin 1/White wire is GND, DB25 Pin 5/Green Wire is data, Power connects at 22/GND/Black and 25/+12V/Red) (go to my order form) X
6. Not available. Kit of Parts (same as #5 but unassembled), includes instructions and email support, RS232 (go to my order form) X
7. Not available. OBDII-style Kit of parts (Same as #3 but unassembled), RS232 (go to my order form) X
8. Not available. OBDI or OBDII / RS232 (no USB) connector kit of parts (same as #1 but unassembled)  (go to my order form) X
9. Printed circuit board (for RS232) - includes instructions and email support - but PLEASE make sure you have some soldering skills!!! (go to my order form) X

Note: I'm not selling USB kits. I have no documentation on them, and I don't feel like documenting them at this point. I use very small surface mount devices that require above average soldering skill to build.

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