Whenever
you encounter errors in your EEC IV PCM there are 2 ways to test it, one
using the "clip" approach, and the other one using a code scanner.
We will show you how to save some bucks and create your own home-made
scanner. Most of the required materials can be bought at your local Radio
Shack.
Details
Materials needed:
1 DC voltage analog meter measuring 1 to 15 volts dc
2 On-off switches
1 Double row terminal block 6 position
1 Inline fuse holder
1 Fuse 5 amp
3 .25" vinyl insulated tabs
1 Alligator clip
1 Plastic enclosure
Various other electrical connectors
Step 1
Install Meter into plastic enclosure
Step 2
Install main power switch and test start switch into plastic enclosure
Step 3
Install terminal block inside of the plastic enclosure
Step 4
Wire from side 1 of main power switch to positive side of meter
Step 5
Wire from side 2 of main power switch to outside of enclosure and attach
fuse holder.
Wire from fuse holder (with sufficient length to reach battery) to the alligator
clip
Step 6
Wire from negative side of meter to outside of enclosure with sufficient
length to reach test port. Attach .25" insulated tab on end of wire.
Step 7
Wire from side 1 of test start switch to outside of enclosure with sufficient
length to reach test port. Attach .25" insulated tab on end of wire.
Step 8
Wire from side 2 of test start switch to outside of enclosure with sufficient
length to reach test port. Attach .25" insulated tab on end of wire.
The needle on the meter will jump whenever theres a code, each code is
represented by 2 digits on Fox bodies and 3 digits for 94-95 SN95s. To
distiguish the codes, theres a very small delay between digits and a larger
pause between codes.
