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  1. Took a week to receive the Red Devil River ALDL...

    Took a week to receive the Red Devil River ALDL USB cable, and it worked like a charm out of the box. Am using this w/a 1227747 ECM & the only weird thing involved the 10K resistor; having it...
  2. After much travail, i've decided to go a...

    After much travail, i've decided to go a different & what appears to be a much more reliable direction. It seems Windows 10 OS security changes over the last 2-3 years have complicated the issue...
  3. Trouble connecting 1320 BT ALDL OBD1 adapter to TunerPro RT

    Trouble connecting 1320 BT ALDL OBD1 adapter to TunerPro RT


    Have been using the 1320 Electronics 12-pin OBD1 Bluetooth Adapter for a couple of years now with an Amazon Fire Tablet & ALDLdroid to...
  4. Update: back from the shop & the smoke test: Was...

    Update: back from the shop & the smoke test: Was kinda hoping I had a vacuum/exhaust leak that would explain this, but as it turns out, I had found/fixed them all - passed the smoke test with flying...
  5. Making progress: Today, I swapped out battery...

    Making progress: Today, I swapped out battery cables & the ground strap. Turns out the ground strap was cracked/corroded & terminated on a painted metal surface on the frame. After sanding paint...
  6. Thanks for the background - this stuff's new to...

    Thanks for the background - this stuff's new to me. Reading/learning more everyday. Have read quite a bit that EFI systems are susceptible to flakiness due to bad electrical connections - i suspect...
  7. Hey, DaveW, et.al., Question: i've heard the...

    Hey, DaveW, et.al., Question: i've heard the term 'computer controlled timing', which in my mind, says the ECM is controlling the timing vs. what i'm thinking i have here is the ICM (Ignition...
  8. WANTED: Anyone near E.Tennessee w/a Moates Burn-2 unit willing to pull a .bin?

    Anyone located in E.TN., who'd be willing be to use their Moates Burn-2 unit to help me out, and pull the .bin file from the 1227747 ECM in my 90 Grand Wagoneer? Am having drivability issues, like...
  9. Hey, DaveW - on BLM, agree you're reading it...

    Hey, DaveW - on BLM, agree you're reading it right - average BLM for the entire log period is 135.83. Before we look at ditching what i have, thinking out loud,

    Given the age of the system, and...
  10. In talking to AFI (the system is an early version...

    In talking to AFI (the system is an early version from 2006), and uses what they called a hybrid setup: an AMC distributor 'stalk', with a GM cap/ignition control module, and separate coil. Am...
  11. Hey, Davew - re: timing - have had it all...

    Hey, Davew -

    re: timing - have had it all over the place; in talking to AFI, they said, given my setup (separate distributor w/ICM & coil) vs. ECM-controlled spark, that 0 BTDC wouldn't work for...
  12. Thanks, ony - will do. Am thinking he's who took...

    Thanks, ony - will do. Am thinking he's who took a set of Wagoneer leaf springs i had to give-away a few months back.


    BTW, a couple aspects worth knowing, is: IAC, TPS, & MAF are new. The EGR...
  13. Hey, Dave, honestly, I don’t know. Reading thru...

    Hey, Dave, honestly, I don’t know. Reading thru the AFI owners manual, VSS shows as optional. May have to do some wire tracing to figure it out. Fortunately I found the ECM pin-out diagrams...
  14. 90 Grand Wagoneer - chasing cold start hesitation/rough idle

    Am looking for help w/an issue i've been chasing since we owned the Wagoneer: rough idle/hesitationat cold start, and hesitation/backfire - when running at highway speed & letting off the throttle,...
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    Greetings from East Tennessee!

    Am in Kingsport. Am relatively new to working with EFI, am working on a 1990 Grand Wagoneer - got this for my wife - she'd wanted one for years - she calls him Teddy; I can’t bring myself to, so...
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