Can someone tell me what wire and maybe post a picture of which one it is to get a tq reading. I'm going to get my truck to the dyno again soon and they don't have a optical pickup. Eric at Merchant said it was a white wire under the fuse box but there were several white wires. I gave up looking after 10 minutes or so because I was holding up the dyno. I'm hoping someone has a picture or pin number for the wire. Also how big is the wire I'm looking for? The only wires I saw were in the big wire looms and very small. Thanks ! PS it's a dyno jet 248 if that makes any difference.