 Removing ECU, Remove small screw in black sheath? |
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| StarBear |
 Feb 24 2019, 05:11 PM
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#1
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Senior Member  Group: Members Posts: 1,906 Joined: 2-September 09 From: NJ Member No.: 10,753 Region Association: North East States 
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A real quickie - trying to remove my ECU and the wire harness doesn't disconnect from the ECU. There's a little black screw at the top of the black sheath covering the harness connection. OK to remove?
Been doing this long enough to have learned not to unscrew things I don't know anything about! Got the ECU and cradle unbolted, but not enough room (engine in place) to remove with the harness connected. Thanks! |
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| iankarr |
Feb 24 2019, 06:07 PM
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#2
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The wrencher formerly known as Cuddy_K Group: Members Posts: 2,480 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region
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You shouldn't have to remove the harness to drop the engine. If you've got the ECU unbolted from the firewall and the plugs out of the relay board, just lie the ECU and harness on top of the engine for the drop. Not sure what you mean by there not being enough room to remove with the harness connected. Any pics?
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| StarBear |
Feb 25 2019, 07:25 AM
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#3
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Senior Member Group: Members Posts: 1,906 Joined: 2-September 09 From: NJ Member No.: 10,753 Region Association: North East States
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QUOTE(cuddy_k @ Feb 24 2019, 07:07 PM)  You shouldn't have to remove the harness to drop the engine. If you've got the ECU unbolted from the firewall and the plugs out of the relay board, just lie the ECU and harness on top of the engine for the drop. Not sure what you mean by there not being enough room to remove with the harness connected. Any pics? Sorry for the confusion - not dropping the engine; just trying to swap out the ECU but the harness connector to the ECU doesn't unplug due to the black sheath (pinned to the ECU housing) being screwed into the top of the connector. Can't slide the ECU out with the connector still attached. Will photo tonight. |
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| Olympic 914 |
Feb 25 2019, 07:38 AM
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#4
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Group: Members Posts: 1,673 Joined: 7-July 11 From: Pittsburgh PA Member No.: 13,287 Region Association: North East States
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disconnect the cable clamp at the bottom of the ECU and swing it out of the way then the black plastic cover slides down. inside there should be a white plastic handle to pull and unplug the wiring harness.
It may be real stiff to slide down. The screw in the side of the black plastic should attach to the ECU carrier. it just prevents it from swinging on the top mounts. and does not attach to anything inside. |
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| StarBear |
Feb 25 2019, 07:13 PM
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#5
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Senior Member Group: Members Posts: 1,906 Joined: 2-September 09 From: NJ Member No.: 10,753 Region Association: North East States
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Here are the photos. WIll check the advice above to see if I can find the "clamp"; removed all the bolts.
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| StarBear |
Feb 25 2019, 07:59 PM
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#6
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Senior Member Group: Members Posts: 1,906 Joined: 2-September 09 From: NJ Member No.: 10,753 Region Association: North East States
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Got it! The black plastic sheath has just a little finger hook at the top - just lifted it up a bit more and the hook slid right out.
Got a replacement ECU to put in and see if I can't get this puppy back up and running (out of commission for a few months now, chasing down 45+ year old gremlins.... WHooHoo! (IMG:style_emoticons/default/piratenanner.gif) |
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| JeffBowlsby |
Feb 25 2019, 10:47 PM
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#7
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914 Wiring Harnesses Group: Members Posts: 8,524 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None
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Oh. You have a 1.8L engine. Thats L-Jet. Ther is a spring loaded clamp at the base of that ECU connector to release the connector from the ECU.
Doubt your ECU is whatever problem you may be experiencing. |
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| StarBear |
Feb 26 2019, 06:49 AM
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#8
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Senior Member Group: Members Posts: 1,906 Joined: 2-September 09 From: NJ Member No.: 10,753 Region Association: North East States
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QUOTE(JeffBowlsby @ Feb 25 2019, 11:47 PM) Oh. You have a 1.8L engine. Thats L-Jet. Ther is a spring loaded clamp at the base of that ECU connector to release the connector from the ECU. Doubt your ECU is whatever problem you may be experiencing. Right, Jeff (forgot to mention 1.8). This one has a little finger hook at the top - I noticed it when looking at my own picture. Also feel it's unlikely, but the next step is a tow job, and kind of wanted to see how/if to remove and clear out "the hole" as long as it's disabled in the winter. Thanks for all your help (and parts) to me and in the forum. |
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