87 wiring harness connector removal

87 wiring harness connector removal

Postby WDMICKJR [OP] » December 4th 2009, 6:14pm

RE: '87 astro with newly installed '95 Roadmaster LT1 w/ Soloman powertune.
Can anyone tell me what the correct procedure to remove the connector from the firewall without tearing it up?
I may need this for later references.
Specifically the connector in the engine bay; at passenger floor board where the dog house comes to.

The new harness is coming in that port and i still need to keep some things like; a/c, fuel pump, oil temp, ses, charging and gauge like items.
SOLD 92 Astro CS with 95 4bolt 355 LT1, hand ported *374s & intake (David Vizard tech), EFI 24x, 211/219*, 1.94/1.6" 1.7"roller rockers .574"/.583", shift kit & corvette servo, G80, GT4, 255/70-15s, 2001LS1pcm; aka fAstro
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Re: 87 wiring harness connector removal

Postby WDMICKJR [OP] » December 8th 2009, 7:47pm

remove passenger side HVAC works and there you will find that the connector has tangs that one can press with his hand and connector comes out from inside to engine bay. one way operation.
behind HVAC works on the passenger side is also the '87's ECM. you will need to disconnect wiring from the ECM and fish the wiring thru the connector's original opening.

if installing a PCM (OBD1-2) in place of an ECM (TBI), check for clearance.
SOLD 92 Astro CS with 95 4bolt 355 LT1, hand ported *374s & intake (David Vizard tech), EFI 24x, 211/219*, 1.94/1.6" 1.7"roller rockers .574"/.583", shift kit & corvette servo, G80, GT4, 255/70-15s, 2001LS1pcm; aka fAstro
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WDMICKJR
U.S. Armed Forces
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Firing on 1 Cylinder (L1)
Firing on 1 Cylinder (L1)
Years of Membership: WDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full years
Posts: 126
Topics: 27
Joined: June 2008
Location: little rock, arkansas
Gender: Male
Alias (AKA): Billy
Van Make/Model: Chevrolet Astro
Extra Info: 94 LT1

Re: 87 wiring harness connector removal

Postby WDMICKJR [OP] » December 10th 2009, 8:28pm

ECM is not actually under the HVAC ducting/works (facing forward), it is actually at the passenger side kick panel.
you may also want to remove in cabin courtesy lamp circuit from ECM harness for there also is the pass side door switch.
in my application i have '95 LT1 PCM for engine management and going to remove all circuits for the '87 ECM.
SOLD 92 Astro CS with 95 4bolt 355 LT1, hand ported *374s & intake (David Vizard tech), EFI 24x, 211/219*, 1.94/1.6" 1.7"roller rockers .574"/.583", shift kit & corvette servo, G80, GT4, 255/70-15s, 2001LS1pcm; aka fAstro
Original Poster [OP]
User avatar
WDMICKJR
U.S. Armed Forces
U.S. Armed Forces
Firing on 1 Cylinder (L1)
Firing on 1 Cylinder (L1)
Years of Membership: WDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full yearsWDMICKJR has been a member for 12 full years
Posts: 126
Topics: 27
Joined: June 2008
Location: little rock, arkansas
Gender: Male
Alias (AKA): Billy
Van Make/Model: Chevrolet Astro
Extra Info: 94 LT1


 
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