SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 Just now, Ωhm said: Connect TL between (A) & (C). Oh, so clip to jumper and probe the other. Link to comment Share on other sites More sharing options...
Ωhm Posted May 8, 2020 Share Posted May 8, 2020 You need jumper at FP relay for voltage supply to pump. TL connected between (A) and (C). Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 1 minute ago, Ωhm said: You need jumper at FP relay for voltage supply to pump. TL connected between (A) and (C). Okay okay, I'm sorry but I got lost. Let's refresh. So you want jumper in FP relay; okay, gotcha. I thought we were testing FP harness on FP side while disconnect, so my bad. You want to test engine side FP harness, yes? Connected or disconnect? I still need a wire to plug into the connecter to clip on to for the TL though. Link to comment Share on other sites More sharing options...
Ωhm Posted May 8, 2020 Share Posted May 8, 2020 2 minutes ago, SoCalManche said: You want to test engine side FP harness, yes? Yes 2 minutes ago, SoCalManche said: Connected or disconnect? Disconnect If there're female terminal, yes one end of the TL (probe side) will work, but you may need something like a ice pick for the clip side. Be careful, you don't want them to touch. Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 1 minute ago, Ωhm said: Yes Disconnect If there're female terminal, yes one end of the TL (probe side) will work, but you may need something like a ice pick for the clip side. Be careful, you don't want them to touch. Yeah, just did it. (A) + (C) = BL. (I haven't had this much fun in math for quite some time!) Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 8, 2020 Share Posted May 8, 2020 Now solve for (X). Lol. Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 Just now, eaglescout526 said: Now solve for (X). Lol. (X) keeps eluding us. Link to comment Share on other sites More sharing options...
Ωhm Posted May 8, 2020 Share Posted May 8, 2020 We still need to divide (X) out somehow. Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 8, 2020 Share Posted May 8, 2020 But were pretty damn close. I'm idle by watching the results Comanche Math kids! Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 2 minutes ago, Ωhm said: We still need to divide (X) out somehow. 1 minute ago, eaglescout526 said: But were pretty damn close. I'm idle by watching the results Comanche Math kids! Am I delusional or does it seem like (X) is the injector? It doesn't account for the voltage drop at FP harness, but as for the fuel delivery itself, it may be clogged? Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 2 minutes ago, eaglescout526 said: But were pretty damn close. I'm idle by watching the results Comanche Math kids! Also, should I clean the C100 connector per how Cruiser says to clean the C101? Link to comment Share on other sites More sharing options...
Ωhm Posted May 8, 2020 Share Posted May 8, 2020 Purpose for testlight request, was it taxes the circuits better then a VM or ΩM would. Both VM & ΩM are high impedance instruments (low current flow). TL allows way more current to flow (ex: BL). I think all tested circuits are good and not part of the problem. Back to solve for X. Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 8, 2020 Share Posted May 8, 2020 (X) could very well end up being an injector problem. I would get it as clean as you can get it and make sure the contacts don't have any gunk on them before putting the two halves together. Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 2 minutes ago, eaglescout526 said: I would get it as clean as you can get it and make sure the contacts don't have any gunk on them before putting the two halves together. I better get to scraping. Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 Found a couple of those pins with a bunch of tar on them. Damn, what the heck was the point of the tar? Link to comment Share on other sites More sharing options...
Ωhm Posted May 8, 2020 Share Posted May 8, 2020 Soft, smooth grease + 30 years = Tar Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 8, 2020 Share Posted May 8, 2020 Whats bad is it is everywhere. Ive probably cleaned my C101 about 10 times and when my truck has some bizarre issue, I clean the C101 with electrical contact cleaner and that stuff still comes out. Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 57 minutes ago, eaglescout526 said: Whats bad is it is everywhere. Ive probably cleaned my C101 about 10 times and when my truck has some bizarre issue, I clean the C101 with electrical contact cleaner and that stuff still comes out. Is it fine to scrape it off the bottom too, even if it isn't contacting the connectors? Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 8, 2020 Share Posted May 8, 2020 Yup, completely fine. Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 1 hour ago, eaglescout526 said: Yup, completely fine. I've cleaned the connector pretty decently. Before I put it back together, were you about to figure which prong was the FP connection? Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 8, 2020 Share Posted May 8, 2020 Nope, nothin tells me which prong it is. All it says it is on orange wire. Link to comment Share on other sites More sharing options...
Ωhm Posted May 8, 2020 Share Posted May 8, 2020 Looking at the 86 schematic photo and zooming in, could it be C100_C4. Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 8, 2020 Share Posted May 8, 2020 Good eye Ωhm. I even have the pic up on my second screen and the _C4 is right there in my face. Here this will help: Link to comment Share on other sites More sharing options...
SoCalManche Posted May 8, 2020 Author Share Posted May 8, 2020 4 minutes ago, eaglescout526 said: Good eye Ωhm. I even have the pic up on my second screen and the _C4 is right there in my face. Here this will help: Why does mine seem different? Missing prongs and seems to be more of a mirror image. Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 8, 2020 Share Posted May 8, 2020 Hmmmmm, well what the pic is from the book is probably what you would see if you tore out the fuse box and were looking at that head on. So my guess is is that some of the prongs on the engine side are probably shared by two smaller clips on the otherside, say if it was a power or ground wire. But that's the only pic the 86 electrical manual gives of C100 Link to comment Share on other sites More sharing options...
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