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Where To Route Wideband/Egt Wiring?

Started by Wagoneer855, Sep 24 2009 08:41 PM

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#1 Wagoneer855

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Posted 24 September 2009 - 08:41 PM

Is the only option for running the wideband and EGT wires (which are larger than most) drilling a hole in the firewall and routing them that way? The pass through is way too small. The only option you'd have there is cutting the connectors off and reconnecting them on the other side.

Any other suggestions would be great, I'd like to get this finished tonight.
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#2 Pops Racer

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Posted 24 September 2009 - 11:08 PM

Hey dude, I did my Wideband harness thru the existing firewall conduit. I did a pictorial of it, I'll try to find it and give you a link. Not too hard actually. Give me a bit of time.

Why would you get a minus 2? It's a legit question.
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#3 Wagoneer855

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Posted 25 September 2009 - 01:02 AM

View PostWINGNUT, on 24 September 2009 - 11:08 PM, said:

Why would you get a minus 2? It's a legit question.
People are minus happy on this site. Any thread without a picture of a volvo with a giant turbo gets a minus... or anything Dave posts :lol:

Anyways, I routed it through the door, I cut out a portion of the door seal and squeezed the wire through it. Doesn't kink, totally proected from water, and the harness goes straight up to the strut brace so it's protected from the heat. Works perfectly! Saved me tons of trouble rather than drilling another hole through the firewall.

I don't have anymore room in the firewall pass through. The EGT wiring was the last thing that would fit.
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#4 lookforjoe

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Posted 25 September 2009 - 02:06 AM

View PostWagoneer855, on 24 September 2009 - 08:41 PM, said:

Is the only option for running the wideband and EGT wires (which are larger than most) drilling a hole in the firewall and routing them that way? The pass through is way too small. The only option you'd have there is cutting the connectors off and reconnecting them on the other side.

Any other suggestions would be great, I'd like to get this finished tonight.


You don't have to cut the connector, just remove the wires from it... that's what I did to get it through, along with lots of silicone spray. My pass through is packed! (Wideband, Apexi, boost, EGT, etc...)
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#5 Wagoneer855

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Posted 25 September 2009 - 02:08 AM

View Postlookforjoe, on 25 September 2009 - 02:06 AM, said:

You don't have to cut the connector, just remove the wires from it... that's what I did to get it through, along with lots of silicone spray. My pass through is packed! (Wideband, Apexi, boost, EGT, etc...)
Haha, so is mine. I have EGT, boost, switch for my halos and wiring for my duel stage boost controller. So there was no way I was fitting the wideband harness through there.

The door technique works awesome though, I don't know why more people don't do that.
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#6 volvoluvin

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Posted 28 December 2009 - 08:14 PM

Just about to install my WB...I was hoping some pictures or a better description would be available?

And I'm wondering if Wingnut ever found the link to his write up?

thanks
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#7 Naughty33W

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Posted 28 December 2009 - 08:19 PM

View PostWagoneer855, on 25 September 2009 - 02:08 AM, said:

Haha, so is mine. I have EGT, boost, switch for my halos and wiring for my duel stage boost controller. So there was no way I was fitting the wideband harness through there.

The door technique works awesome though, I don't know why more people don't do that.

my boost gauge is routed through my fender and then through the door jam rubber thingy , works fine and keeps the line away from other stuff

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#8 854TGA+

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Posted 28 December 2009 - 08:58 PM

I have EGT / WB / TPS / Tach / Turbo Tuner / Boost/ IDC all coming through firewall grommet behind glove box :D Mind you we need a shoe horn to make them all fit :lol:
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#9 L8 APEKS

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Posted 28 December 2009 - 09:14 PM

I ran mine through the steering column tunnel. The opening is huge, and it's just a rubber seal blocking it off. Not even a full fledged grommet.

I have NO idea why people ever recommend to drill a new hole with that huge gaping hole already there!
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#10 volvoluvin

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Posted 28 December 2009 - 09:19 PM

View PostL8 APEKS, on 28 December 2009 - 09:14 PM, said:

I ran mine through the steering column tunnel. The opening is huge, and it's just a rubber seal blocking it off. Not even a full fledged grommet.

I have NO idea why people ever recommend to drill a new hole with that huge gaping hole already there!

Thanks everyone for the quick reply! People must be back at work... :lol:

I like the idea of the steering column, sounds simple enough...
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#11 BoostedBrick

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Posted 29 December 2009 - 01:38 AM

Quote

I have EGT / WB / TPS / Tach / Turbo Tuner / Boost/ IDC all coming through firewall grommet behind glove box

I also used this location for my wideband. There is a convenient ground location in the passenger foot well also. I tried to get a pic but it was with a cell phone in the dark and it was snowing so I didn't try too many times haha.

The wideband controller is zip tied near by, and you can see the wires running to the grommet, which I tried to pull out a little so you can see it better (can see yellow behind it). There is a fair amount of room there for more wires too.

Hope this pic helps, please excuse the dirt and snowflakes!
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#12 volvoluvin

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Posted 29 December 2009 - 03:22 AM

This is how i ended up doing mine:
Posted Image
Posted Image

worked like a charm...
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