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Weird wiring question 1991 WD21 with TD27 Swap


implanted
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So,

I'm having weird starting issues and can finnaly not get it to start. Just clicking. I poked around and looked at the starter and noticed a wire that looks like it should be going somewhere, as the other one that comes from the connector Black/Pink or Red can't tell bolts to the stop of the starter. The yellow wire/ with green seems to be disconnected and I am thinking this may be my culprit.

 

Can anyone help me identify where I should have this thing hooked up to? The connector is on a WD21 automatic that was converted to manual and with the TD27.. I'm getting so annoyed trying to figure this out on my own and was hoping you guys could come to the rescue. The starting issue was intermitant so it would make sense that this wire has some significance.. Where should it go?

 

Thank you all!

 

 

Connector in question.. Located on passenger side behind the battery. Two prong connector with two wires Black /Pink and Yellow / Green:

 

11kav5i.jpg

 

 

Black / Pink and how it connects to the top portion of the starter.:

 

30hq0w1.jpg

 

 

And finally the wire in question Yellow/ Green :

 

 

308zgvl.jpg

 

 

The million dollar question is where in the hell should this thing be connected?! :wacko: :wacko:

 

 

Thanks in advance guys!

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Well I have a Td27 so Il attempt to answer your question. Ummm, that yellow green wire looks like it's running into a harness near your radiator. Usually that harness runs to two locations - it's either a coolant sensor wire or it's a positive/ground terminal wire for the alternator.

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Aha, I think I know where that green/yellow wire goes. It's part of one of your coolant sensors. Looking at mine I can see a green/yellow wire going to the thermostat housing. There should be three sensors going into the side of your thermostat housing, at least on my TD27 there are. It's the one closest to the radiator. I'd say looking at yours the PO was having problems with the coolant overheating or something so it been pulled out. But if it's removed it might be a cause of hard starting, because the computer thinks "hmm something is amiss so I'm not going to start up."

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I agree.. It may be a falicy that I just found this disconnected and it very well may be for a coolant sensor or somthing but.the Black/Pink wire does connect to the top of the starter.. That's what made me wonder about the disconnected yellow/green.. Thanks for your help guys.. Any further guidance here is much appricated!

 

:happy: :happy:

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Check all your connections... I just had the same problem this week. I just thought it had to be the starter since my power windows and radio worked fine, but I was wrong. Put in a new starter and click, click, click, same as before. From there I knew it had to be a connection issue. Replaced terminal mounts and cleaned all connections. Bam ignition. Oh yeah on my vg30 right above the starter is an oil pressure sensor that had a wire similar to the one in your picture.

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So I feel dumb but relived. I drive a short distance to work and I think the battery was just depleted over time, just having enough juice to start when it was needed until finally dropping below the threshold. I got a test light and learned how to check at the starter, key switch etc and then stuck a multimeter on the battery, jumped it and what do you know it starts... Thanks again guys!

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