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Old Mar 25, 2017 | 03:02 PM
  #91  
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So the starter motor relay is what supplies power to the orange wire that goes to the relay? So it could be a fusible link?
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Old Mar 25, 2017 | 03:33 PM
  #92  
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Only because it's near the battery they used the post on the start relay to provide power to all the fusable links.

Yes, it could.
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Old Mar 25, 2017 | 03:42 PM
  #93  
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Originally Posted by Batman33165
the relay is not getting ground from the ecu. Then what?
Understand that it is only grounded for 2 seconds after ign is turned on, then again after it starts.

I found it tricky to check alone. With my meter on ohms I put one probe in 85 and grounded the other. Then you need to watch the meter while you turn the ign on. It might not be long enough to get an actual reading, but you will see the numbers change. Very likely your problem is elsewhere being that you have no power.

Just for fun and to test your pump you can ground the black from the pump anywhere, anytime.
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Old Mar 25, 2017 | 03:49 PM
  #94  
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Ok ill trace the orange wire... hopefully it leads to the starter motor relay.

Now quick question, i know the starter motor relay where the battery terminal is and the fusible links all are always hot. Theres the terminal for the fuel pump ballast resistor, is that always with power or only when the key is in ignition?
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Old Mar 25, 2017 | 04:02 PM
  #95  
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You might read my post #80. The pump gets power from the start relay only while it's cranking. (It's also a handy place to jump power to the pump)
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Old Mar 25, 2017 | 10:08 PM
  #96  
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Old Mar 26, 2017 | 03:04 PM
  #97  
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Note from DJ to Batman33165
Fuel Pump Ground Improvement by cruiser54
http://cruiser54.com/?p=249
POST #85
QUOTE from cruiser54’s instructions: Locate the black wire on the HARNESS side of the fuel pump/sender 3 wire connector.
-----------------------------
Post #90 by Batman33165
QUOTE from Batman: I HATE TO RUIN A NEW FUEL PUMP CONNECTOR BY ADDING THE GROUND but okay, I’ll try doing the tip today.
You are talking about adding the ground improvement to your FUEL PUMP HARNESS; not to the Jeeps HARNESS CONNECTOR as per cruiser54 Instructions so that the improved ground will stay with the Jeep if the fuel pump is ever changed out.
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Old Mar 26, 2017 | 04:10 PM
  #98  
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??? The tip is to improve the Jeep side of the connector. Myself, in your shoes I'd check the Jeep side ground with the meter first, see if that's a priority right now. Sounds like it IS, if you powered a new pump and it didn't run.
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Old Mar 27, 2017 | 08:41 AM
  #99  
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I was not able to do anything this weekend, i do not have power going to the pump.

The only reason i did was because i used that bypass with a 15 fuse in it
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Old Mar 27, 2017 | 03:49 PM
  #100  
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There are only three functions, (out of a zillion), that a Renix Jeep needs in order to work on it. Ohms, (with the headphones symbol), and DC volts, under 20 if it gives you a choice. DC volts might have a straight line and a V. (AC volts has a wavy line). You will normally just need DC Volts and Ohms. (CPS can be checked with ACV).

Just set it on ohms and touch the leads. That's all there is to checking resistance, you just put what you are testing between them. (IE the Jeep side black pump ground wire, to bare metal of the body.) If it's more than an ohm or two you need to either find the bad connection or do Cruisers tip.
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Old Mar 28, 2017 | 07:46 AM
  #101  
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I will try to check the volts again today when i get home, and ill give a try to Ohms. (thanks for the headphones symbol) i have it on the multi meter.

Other than that.. i had pictures but someone stole my phone off the jeep as i went inside my apartment to get a couple things... i came back out to take a few pictures and could not find it so...

Other than that ... lol, i did the tip for the grounding for the fuel pump. Made it look nice, oxgard it, and covered all the wires from the outside debris. I used the test light again and checked power from the starter motor relay battery terminal. Checked the wires that were either green, orange, (1) blue, (1) red. Using the test light i checked the fusible links in 2 locations, one time closes to the battery terminal and the other past the rubber looking capsule.

By the way im still at nothing....
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Old Mar 28, 2017 | 07:51 AM
  #102  
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I forgot... i was curious on the ballast resistor that i installed new, apparently that sucker was hot as H...E...double hockey sticks. So i decided to remove the connections and connect them both to the fusible link i made with a 15 amp fuse. Im kind of excited but every time i turned the key into ignition the fuse would pop, did it a couple times to confirm my findings.

I know its nothing to be excited but it is something new, and that sometimes means we are finally going somewhere
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Old Mar 28, 2017 | 09:57 AM
  #103  
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Originally Posted by Batman33165
I forgot... i was curious on the ballast resistor that i installed new, apparently that sucker was hot as ***the fuse would pop, did it a couple
It's a sure thing that is "shorting" to ground somewhere. Try it with the pump connector unplugged. If it's still shorts it's the wire from the resistor to the plug. Sometimes insulation will chafe where the wire goes around some edge. Or it's burnt through by the exhaust or something.

Your meter might have a resistance setting that makes a beep? If you check resistance from that hot wire to ground, you will find there isn't much. My meter beeps so I could go under and jiggle wires and see if it stops. If you can have a friend watch the meter while you trace the wire and jiggle things that could work. I think you found your original problem! (don't fear the meter, it's your friend!)

Last edited by DFlintstone; Mar 28, 2017 at 10:05 AM.
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Old Mar 28, 2017 | 11:31 AM
  #104  
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OK if that's shorted well enough to pop a 15 amp fuse your fusabke link may have gone. (so you have two issues) My diagram says its Orange (or Green). Meter set on ohms, it's the wire, (past the link), that has continuity to relay socket 30. (guess they might all be Red downstream of the links) It's possible, but a little tricky, to push a pin or needle through insulation to test a wire. Also I suppose you could juice #30 and test disconnected wires/links with your light.

I'd toss the relay that was in it. Even if it seems to work, they are cheap and I wouldn't trust it after handling a short.

Last edited by DFlintstone; Mar 28, 2017 at 12:03 PM.
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Old Mar 30, 2017 | 02:38 PM
  #105  
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ok so a little update... I still have not done the ohm checking, soon though...

Well i redid the grounds from tip 1 in cruiser because i did one of the grounds in the wrong place ( i put the ground from the firewall to the original spot instead of firewall to the heat shield bolt).

With that i retested everything... no more fuse popping, but does not solve my fuel pump problem. So i did something i learned online, using a test light. I put the test light wire to the positive instead of the negative and touched the relay. more preciously the orange with black strip (85). And nothing lighted up, so somewhere in that line there is power going to it instead of ground. Having the test light in the positive terminal again i touched the orange wire (87) and guess what happened, there was light. So it means there is a ground where it should be power
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