Found the heart of the Iroc!
Thread Starter
Joined: Nov 2007
Posts: 845
Likes: 4
From: Salt Lake
Car: 1989 IROC & ROLL-Z
Engine: L98 Vortec FIRST TPI
Transmission: T56, Mech Speedo
Axle/Gears: G92 J65 3.27
Found the heart of the Iroc!
Tore apart the cluster to replace a speedo cable and noticed this odd shaped cutout!
There is no reason to have this cutout shaped the way it is!
Anyone else ever noticed this?
There is no reason to have this cutout shaped the way it is!
Anyone else ever noticed this?
Senior Member
iTrader: (3)
Joined: Jul 2008
Posts: 634
Likes: 3
From: Massachusetts
Car: 1987 IROC Z w/T-Tops
Engine: 305 TPI
Transmission: Automatic
Axle/Gears: G92
Re: Found the heart of the Iroc!
When you re-install the cluster - if you haven't already - note that the malee connectors can be removed from the housing. Not removed from the wires, but it can be pulled out and turned. Make sure it is seated the same way it is shown as in your photo. This way, the female portion - on the gauge cluster - can receive the male portion once you apply gentle pressure. Do that first, then do the speedometer connection (which is a bitch).
Last edited by majobis; Jun 14, 2013 at 07:00 PM.
Senior Member
Joined: Nov 2001
Posts: 915
Likes: 2
From: Erlanger, KY
Car: 1989 Iroc-z
Engine: 350 TPI
Transmission: Auto 700R4
Axle/Gears: 9 bolt - 2.77
Re: Found the heart of the Iroc!
I just took my cluster out of my 89 iroc for some repairs and I have the heart shape cut out. It is a factory thing. If you look at the back of the cluster, you will see some light bulb sockets in the same area that would hit the dash panel if the cut out wasn't there. Its for clearance for the light bulb sockets.
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