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120 ohm vs 240 ohm #2

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120 ohm vs 240 ohm #2

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4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -72,7 +72,7 @@ of OBD (On-board diagnostics) ports. It is a simple device that you can easily

* 2 x Female J1962 OBD-II Ports (~$10/ea)
* Project Box (~$5)
* at least 2 120 Ohm Resistors (or 1 240 Ohm) (pennies)
* 1x 120 Ohm Resistor
* 12 V Power Supply (~12)
* Some wires and maybe banana plug connectors

Expand All @@ -82,7 +82,7 @@ The minimum wiring is as follows:
* Connect pins 4 and 5 together for ground and splice a line to the 12V supply
* Connect pin 6 together for CAN High
* Connect pin 14 together for CAN Low
* Add 240 Ohm resistance across CAN High and Low
* Add 120 Ohm resistance across CAN High and Low

You can bridge more pins but how they are wired depends on what type of vehicle scanner you
are testing. For instance, several vehicles have many different CAN buses on the other
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