Quote:
Originally Posted by 73f100shortbed
Some are located on inner fender. The last Bronco I timed had it near the master cylinder on fender.
Look for something like this:

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Hey thanx a bunch, I found that thing right where you said on the fender right by the master cylinder, and the "module"..it looks identical to your picture.
So the idea is to inplug this, start timing it 10 degrees or so, then plug it back in and test drive. Keep doing this pattern, advancing the timing a little bit at a time until just before preignition/knock occurs?
Just want to make sure.