Wiring harnesses and A9L needed.

2FastLX · 11-27-2001, 03:26 AM

I'm converting an 88 4cyl Notch to a V8 and need a little help.

What harnesses do I need, and from what year of car? I was told I need an 87 or 88 speed density harness setup with the mass air conversion.

But what all wiring does the harness consist of? Where does it all run through the car so I know what I can yank from the 4cy car to get it ready to paint?

Thanks.

302man · 11-27-2001, 10:43 AM

Kev, I think you might have miss understood me or I wasn't clear. You don't need a density harness, a mass air harness off of a 89 -93 is ideal, but what I ment to say was that you canget buy with a density and a conversion kit. Sorry for the confussion.

2FastLX · 11-27-2001, 11:49 AM

Well, I was stating this on info I got from the guy in Tennessee Tim. It's nothing you said to me. I'm just a very confused individual

fiveohpatrol · 11-27-2001, 02:00 PM

Painless Wiring has a complete wiring harness. The only problem is that it is $460

2FastLX · 11-28-2001, 12:44 AM

I found one if the guy ever emails me back (hint hint to so and so). I was considering Painless but I figured I'd look for cheaper alternatives first. Glad I did.

Jeff Chambers · 11-28-2001, 07:39 AM

I've got the wiring diagram at home. I should be able to look and see if the computer power supply connections would be the same on your 4-cyl for a later (90-93) 8-cyl. I would think they are, but I could be wrong. I seem to remember that the computer harness was completely independent of the dash/main wiring except for two square 6 or 8 pin connectors near the computer, tucked into the right side kick panel. I'll try to find the time tonight to look it up.

2FastLX · 11-28-2001, 08:08 AM

Thanks Jeff. That would be helpful to know. I've turned down 3 or 4 harnesses because they were from newer cars.

I was thinking the guy I bought the car from told me I would need the 87-88 harness for the instrument cluster or something??

11-27-2001, 03:26 AM	#1
2FastLX The Photoshop Guru Join Date: Feb 2001 Location: Mecca, Indiana Posts: 1,419	Wiring harnesses and A9L needed. I'm converting an 88 4cyl Notch to a V8 and need a little help. What harnesses do I need, and from what year of car? I was told I need an 87 or 88 speed density harness setup with the mass air conversion. But what all wiring does the harness consist of? Where does it all run through the car so I know what I can yank from the 4cy car to get it ready to paint? Thanks. __________________ Project: 1988 Coupe - EFI 5.8L Twin Turbo with Victor intake, Canfield heads, F303 cam, March aluminum underdrive pulleys, TKO (or T56 if funds permit), PBR twin piston calipers and 13" rotors up front, 94 Cobra rear calipers and 12" rotors on the rear, 3.73's, Griggs K-member, tubular front control arms, torque arm and panhard bar, polished 99 Cobra wheels. "The GR-40 kit installation is now complete, and the humble Fox-chassis car will now out-corner and out-stop a ZR-1 or a Viper, and support massive horsepower additions with perfect balance." Griggs Racing ICQ# 42269241

11-27-2001, 10:43 AM	#2
302man Registered Member Join Date: Jul 1999 Location: INDIANAPOLIS Posts: 404	Kev, I think you might have miss understood me or I wasn't clear. You don't need a density harness, a mass air harness off of a 89 -93 is ideal, but what I ment to say was that you canget buy with a density and a conversion kit. Sorry for the confussion. __________________ old S trim combo 10.13@ 135 New YS combo = 680RWHP (no times)

11-27-2001, 11:49 AM	#3
2FastLX The Photoshop Guru Join Date: Feb 2001 Location: Mecca, Indiana Posts: 1,419	Well, I was stating this on info I got from the guy in Tennessee Tim. It's nothing you said to me. I'm just a very confused individual __________________ Project: 1988 Coupe - EFI 5.8L Twin Turbo with Victor intake, Canfield heads, F303 cam, March aluminum underdrive pulleys, TKO (or T56 if funds permit), PBR twin piston calipers and 13" rotors up front, 94 Cobra rear calipers and 12" rotors on the rear, 3.73's, Griggs K-member, tubular front control arms, torque arm and panhard bar, polished 99 Cobra wheels. "The GR-40 kit installation is now complete, and the humble Fox-chassis car will now out-corner and out-stop a ZR-1 or a Viper, and support massive horsepower additions with perfect balance." Griggs Racing ICQ# 42269241

11-27-2001, 02:00 PM	#4
fiveohpatrol I'd rather be basketweaving Join Date: Feb 2000 Location: Indianapolis Posts: 2,551	Painless Wiring has a complete wiring harness. The only problem is that it is $460 __________________ NMRA O/C 9516 NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft

11-28-2001, 12:44 AM	#5
2FastLX The Photoshop Guru Join Date: Feb 2001 Location: Mecca, Indiana Posts: 1,419	I found one if the guy ever emails me back (hint hint to so and so). I was considering Painless but I figured I'd look for cheaper alternatives first. Glad I did. __________________ Project: 1988 Coupe - EFI 5.8L Twin Turbo with Victor intake, Canfield heads, F303 cam, March aluminum underdrive pulleys, TKO (or T56 if funds permit), PBR twin piston calipers and 13" rotors up front, 94 Cobra rear calipers and 12" rotors on the rear, 3.73's, Griggs K-member, tubular front control arms, torque arm and panhard bar, polished 99 Cobra wheels. "The GR-40 kit installation is now complete, and the humble Fox-chassis car will now out-corner and out-stop a ZR-1 or a Viper, and support massive horsepower additions with perfect balance." Griggs Racing ICQ# 42269241

11-28-2001, 07:39 AM	#6
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	I've got the wiring diagram at home. I should be able to look and see if the computer power supply connections would be the same on your 4-cyl for a later (90-93) 8-cyl. I would think they are, but I could be wrong. I seem to remember that the computer harness was completely independent of the dash/main wiring except for two square 6 or 8 pin connectors near the computer, tucked into the right side kick panel. I'll try to find the time tonight to look it up. __________________ Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!"

11-28-2001, 08:08 AM	#7
2FastLX The Photoshop Guru Join Date: Feb 2001 Location: Mecca, Indiana Posts: 1,419	Thanks Jeff. That would be helpful to know. I've turned down 3 or 4 harnesses because they were from newer cars. I was thinking the guy I bought the car from told me I would need the 87-88 harness for the instrument cluster or something?? __________________ Project: 1988 Coupe - EFI 5.8L Twin Turbo with Victor intake, Canfield heads, F303 cam, March aluminum underdrive pulleys, TKO (or T56 if funds permit), PBR twin piston calipers and 13" rotors up front, 94 Cobra rear calipers and 12" rotors on the rear, 3.73's, Griggs K-member, tubular front control arms, torque arm and panhard bar, polished 99 Cobra wheels. "The GR-40 kit installation is now complete, and the humble Fox-chassis car will now out-corner and out-stop a ZR-1 or a Viper, and support massive horsepower additions with perfect balance." Griggs Racing ICQ# 42269241