North American Turbocoupe Organization



Box
Alaskanzeus Offline
Senior Member
#1
Inside the engine compartment, right between the air filter (origanal metal box) and the passenger side strut actuator, is a large metal box with what looks like a large computer hook up going to it. What is this? whats its purpose? and why on the pictures ive seen on the board (Dans car on home page)have i seen it missing, besides the small box thats attached to it.
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natmac3 Offline
Administrator
#2
I believe the "box" to which you are referring is the infamous IRCM.
Independent Relay Control Module

As to the discrepancies in location on various vehicles, I cannot begin to speculate.

I sincerely hope this has been marginally helpful.
1987tc
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Hybridbird Offline
Posting Freak
#3
They're not missing,just re-located, usually to the fender in the same area.Natmac is correct,it is the IRCM on the side nearest the radiator with wire harness going into it.I t contains the relays for the fuel pump,fans,A/C and I forget what else.On the rear is the BAP (barrometeric absolute pressure) sensor,serves the same function as a MAP sensor on a mass-air car.If you look close enough on all the cars,you will find both,as the car will not run without either one.

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Too much fun, what's that mean?That's like too much boost,there's no such thing.
"Finch....get the f*ck away from that Ficus......that's a jizz-free Ficus!"
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Jeff K Offline
Administrator
#4
A minor correction.... IRCM is Integrated Relay Control Module.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 20 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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natmac3 Offline
Administrator
#5
I knew that.... duhhhh

Sorry for the misinformation.
1987tc
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Alaskanzeus Offline
Senior Member
#6
Is this a replacable part? If so where could i find one? and how much and im looking.

The reason i ask is because the one i have on there now looks like its had a patriot missle hit it, all the paint fell off and is dented.
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Jeff K Offline
Administrator
#7
You are in luck, kind of.... The IRCM is not TC specific, it was also used on several years (roughly 87 to 95) of Taurus / Sable, and a few other Ford models from the late 80s to mid 90s, so they are still available, and many dealers should have them in stock. The bad news: Expect to pay about $120 from the dealer for a new one. As far as I know, they are only available from Ford, and not from NAPA, etc.

Could always find one in better shape at the JY, and if you want it to look like new, sand it, prime and paint it.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 20 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Pete D Offline
Administrator
#8
New IRCM = $120

Sand paper = $0.79
Spray paint = $4.99

Hmmmmm!
Pete Dunham


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Jeff K Offline
Administrator
#9
Quote:Originally posted by Pete D:
New IRCM = $120

Sand paper = $0.79
Spray paint = $4.99

Hmmmmm!

LMAO!!

Even if the old one is dented, you could remove the sheet metal cover by drilling out 2 rivits (at opposite corners of the screws that attach it to the bracket), knock the dents out, bondo it, whatever, paint it, and pop rivit the cover back on.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 20 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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