Henri
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Hello, I know that relay 2 is for the fuel pump, what are 1 and 3 for, it's a B2 from 1988
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what are these relays for?
- Thread starter Henri
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1 is the EEC Relay...
I don't want to steer you wrong on 3. I might be able to have a look through my EVTM a bit later and see what it tells me.
I don't want to steer you wrong on 3. I might be able to have a look through my EVTM a bit later and see what it tells me.
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There is WOT cutout relay over there to kill the A/C under hard acceleration if you have a/c.
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- My credo
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Does a fog light relay belong in that relay box? I assume that is the one on the left inner wheel well?
Dennis
Dennis
Henri
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Thank you for your answers, since I do not know what is causing my engine shutdown problems, I ordered 3 new relays, we will see if that solves the problem
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Might be related to your random shut down.
I found an issue on my truck that would case it to either shut down completely or act like it was going to shutdown and then run again. I found it doing a wiggle test. There is a ground splice in the harness that runs parallel to the battery between the RH fender wiring and the engine. By moving that harness around a bit... I could recreate the symptom. I pulled the harness apart a bit and found an old repair to that splice that was done poorly and was failing again.
I repaired it and the symptoms went away.
I'm not looking at the schematic... but i remember it provided ground to the EEC relay... two ground points on the ECM.. etc
If you don't own an EVTM for your truck.. you should have one. I got mine on eBay for less then $20 to my door.
Henri
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EVTM ? I don't know that, an electric tester ?
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Electrical and Vacuum Troubleshooting Manual
Henri
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Thank you for this explanation, unfortunately I don't have the EVTM and even if I did I would be bothered because I don't speak English well, I'm French speaking so it will be difficult to understand.
Unless I find an evtm file, then I could translate it with an application
Unless I find an evtm file, then I could translate it with an application