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Glad to be of help. Let me check my parts bin; I had two spare wiper control modules... [RICHR]

Grr. I cannot find the file I saved that describes what to repair, other than one which says "look for and replace any burnt capacitors." I did find mention that Forum member Eagle85C4 repairs these, and also jeff@rsmail.com (if he's still active). Sadly, these came from older posts of MINE...

That is indeed true... [RICHR]

Yours were both identical parts? Mine look different... Odd. [RICHR]

The 'interior light control module' under the dash may be shot. Does your hatch open correctly with all three remote buttons? IIRC that functionality is also controlled by this module. It's taped up by the ECU on the passenger side and is a small black box about 2" x 2" x 1/2" plugged into a...

Ok. Responses to the various posts: 1. Timing is 6* which is what my new memcal calls for. That's what I was checking when I noticed the headers glowing. 2. Engine is idling fine after it warms up but there may be a rich condition during open-loop. This is something I'm going to do a data...

Ah hah... now I see where the confusion is coming from. Looking at Mid-America's list, 87+ Vettes (which you ALL have) use two identical relays. However, 86 Vettes (and 86 ONLY) use two different ones. And of course the one I need is out of stock... Thanks. [RICHR]

Hmmmmm. Anyone have an AC Delco part number? I'll have to look by the battery now. Thanks. [RICHR]

I think those are the fuel pump and overdrive relays, by the brake booster? The MAF burnoff one is supposed to be under the dash by the ECM - or so my Haynes says. [RICHR]

I'm also now getting a CEL code for "MAF Burnoff Relay"... oddly, the code gets thrown while the car is driving at highway speeds. I thought the MAF burnoff relay was only used after the engine was stopped? So I'm trying to replace the relay, but I'm finding two parts available online and...

Been a while since I've been here; busy with other things :( Anyway, I'm still working on final tuning of the prom in my 86 and was playing around with it yesterday in the somewhat-dark garage setting timing and such. I noticed that the center two pipes on each header (cyls 3/5 and 4/6) were...

I sent an email to ZF Doc and this is his response: "Consider the possibility that the parts are coming from production run source which has an inordinately high failure rate number as well. Similar in design to your application, the C4 MN6 community is/was experiencing more new failed units...

No, there's definitely a leak... no fluid left in the reservoir at all, and it was working fine right before. The mechanic who put the current cylinders in is going to look at it on Monday; after that, if it needs a new set I'll be sure to get GM from Superior if they have it... I'll also...

Hm. GMPartsDirect.com lists it as a special-order item... which in the past has meant that it's unavailable or near-impossible to find for other things I've tried to get. Dunno... So what usually fails on these things? Some hose that I can replace with a better one, or an internal seal that...

Been a while since I've been on here, but still plugging away at the Vette. Having problems now with an aftermarket clutch master and slave cylinder assembly that was put on a couple months ago. I've put only a couple hundred miles on the car, but one or both has failed again and I can't get...

I've got a set as well on my non-Z51 (but with the Delco-Bilsteins originally) 86. That might have been my post you saw. Anyway, the handling is still great, although as our cars age the rubber bushings and such deteriorate and affect handling as much as bad shocks would. I'm slowly replacing...

Sounds good; let me know. Shipping from Ca might be a pain, though... any idea of the weight? [RICHR]

That'll work. I should actually be home close to 4:30 so anytime between then and 6 would be fine. [RICHR]

Mic, you're welcome to them. I'll be around Sunday afternoon if you want to pick them up and drop off my wheels/helmet. [RICHR]

Unless it makes the car run too cool... or it's the wrong chip for his application. [RICHR]