85 MAF power and burnoff relay p/n's - ???
09-29-2005, 01:09 PM
#1
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85 MAF power and burnoff relay p/n's - ???
does anyone have the part numbers for the MAF power and burnoff relays? i can find p/n's for 86-89, but not 1985. can the 86 parts be substituted? TIA 
09-29-2005, 01:13 PM
#2
The '85 has one maf burnoff module buried in the passenger side dash somewhere (I think).
The 86-89 are different, so... The '85 is a specialty item, and ungodly expensive...
I think your local dealership will quote you upwards of $600 for the piece... Check ebay for a used one if you need it, they are more affordable there.
sorry though, I dont know the part number.
The 86-89 are different, so... The '85 is a specialty item, and ungodly expensive...
I think your local dealership will quote you upwards of $600 for the piece... Check ebay for a used one if you need it, they are more affordable there.
sorry though, I dont know the part number.
Last edited by mikey whipreck; 09-29-2005 at 01:15 PM.
09-29-2005, 01:14 PM
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85 is a different animal, you will need to replace the single burnoff module behind the passenger side dash. It is rather expensive.
There are no MAF relays behind the battery on the firewall in 85.
There are no MAF relays behind the battery on the firewall in 85.
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Scotty Moss (04-27-2021)
09-29-2005, 02:22 PM
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I only find the "Module, Mass Air Flow Sensor Burnoff" for the 1985. There are burnoff, and separate power, relays for 1986 and up, but my book only shows the one device for 1985. 14080620.
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09-29-2005, 03:16 PM
#5
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Originally Posted by CFI-EFI
I only find the "Module, Mass Air Flow Sensor Burnoff" for the 1985. There are burnoff, and separate power, relays for 1986 and up, but my book only shows the one device for 1985. 14080620.
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wtf i've heard of corvette tax, but... 
don't need it that bad - i guess i'll get out a wiring diagram for a 85 and 86 and see if its possible to wire up a couple of $15 1986 relays to replace one 85. gawd, they must have thought i hit the lotto 
09-29-2005, 08:03 PM
#7
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Originally Posted by Joe C
thanks everyone and thanks CFI-EFI. i checked gmpartsdirect - list $924.05, their price $526.71! geessus H!!! wtf i've heard of corvette tax, but... don't need it that bad - i guess i'll get out a wiring diagram for a 85 and 86 and see if its possible to wire up a couple of $15 1986 relays to replace one 85. gawd, they must have thought i hit the lotto
wtf i've heard of corvette tax, but... don't need it that bad - i guess i'll get out a wiring diagram for a 85 and 86 and see if its possible to wire up a couple of $15 1986 relays to replace one 85. gawd, they must have thought i hit the lotto I'll sell you mine. I changed my ecm to the 165 and use relays now.
09-29-2005, 09:09 PM
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I dont think you can convert this unless you change the ECM out, which'll be expensive too.
Your best bet is to get a used one, or one from a junkyard.
Your best bet is to get a used one, or one from a junkyard.
09-29-2005, 10:20 PM
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To convert from the 870 ECM to the 165 costs about: $50 for the 165 ECM (sometimes you can get lucky and get a MEMCAL with it) $15 each for 2 relays, Go to a junkyard and get the relay sockets and about 12" of the harness with them, usually about $10. Three hours to do the swap, $55 for the Moates' GP1 package with 2 chips.
Get someone to burn a stock 86-88 bin to the chips.
If you don't get a memcal with the ECM you can buy one from GM for $50-$75 for an 86-88 then drop the $55 for the GP1 off the total.
Less than $200 for the conversion and if the relays go bad they are cheap to replace.
Get someone to burn a stock 86-88 bin to the chips.
If you don't get a memcal with the ECM you can buy one from GM for $50-$75 for an 86-88 then drop the $55 for the GP1 off the total.
Less than $200 for the conversion and if the relays go bad they are cheap to replace.
