1988turbotbird
Joined:
Feb 2007
Carlisle, Pennsylvania
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So im not sure what is normal with this setup with alternator case warmth. I followed the install instructions in the tech. articles. Just rechecking my work now. I have 14.2 with engine running, so its charging fine, and 12.7 engine off. I just got a new battery because my last one had a bad cell. When the key was on engine off with the old battery, the alternator case would get really hot...new battery, gets warm. But i didnt let it sit to see. Did I mess up?
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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1988turbotbird
Joined:
Feb 2007
Carlisle, Pennsylvania
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Anyone ever run into this issue?
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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Not B Anymore
Joined:
Apr 2001
Nokesville, VA, USA
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I'll see if mine does that when I get home tonight. I don't think it ever gets warm, though, with just the key on. I'll get back to ya.
Brian Leavitt
'86 TC 5-Speed -- MS2x w/COP | 83 lb. injectors | T3/T4 50 Trim Stage 3 .63AR | Full 3" Exhaust - No Cat | Motorsport FMIC | Ranger Roller | Ported E6 | Walbro 255HP | Kirban | 20psi | 120-amp 3G | 8.8" 3.55 rear | '03 Cobra Wheels
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RDOG
Joined:
Jun 2001
Ontario. California U.S.A.
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My alternator gets hot to the touch when car is running, even after a cold start. Everyone here told me thats normal.
HOWEVER if the alternator is hot when you turn the key to "On" position when the car is cold and not running(sitting for hours or morning start), thats an issue.
1986 Turbo Coupe. Boport StageIII head, Boport 2.1, Performance Techniques 50 trim hybird, StageII.63, stinger 3" exhaust, Phenolic spacer, Boglog header,NPR FMIC intercooler setup, kirban fpr, bigrmotorsports fuel rail, diablo water meth kit, CAI, remote mount TFI, CHE rear adj control arms, MAC girdle, 8.8 rear disc, aluminum drive shaft, H&R lowerings springs Tbird Turbo Specific, y MAS!!
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RC Martin
Joined:
Mar 2006
Colorado
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Quote:Originally posted by RDOG:
HOWEVER if the alternator is hot when you turn the key to "On" position when the car is cold and not running(sitting for hours or morning start), thats an issue.
Ya I'd be worried that the alt is staying hooked up even while the key is off, effectively shorting the windings across the battery. That could fry both your alt and battery if that's the case.
I'm not that familiar with the 3G setup or how voltage regulators manage the connection of bat to alt so sorry can't really lend much fix-it advice.
Thunderbird Turbo Coupe, Bright Canyon Red TuTone, Desert Tan Interior; 1 of 7 in this combo in 1984 according to Marti. 1 of 13,361 TCs in 84.
Rebuilt, 3-Angle Valve Job, SYB37 "OE/Small" Slider Cam
Full 3" Stinger Exhaust to Flowmaster 40, Gnari FMIC/Recirc/BPV, MBC @ 18psi, RF-E6 Manifold, Remote-Mount TFI, PC1 and Flowed 35# Injectors, Inline Walboro 255HP, Kirban AFPR
Rebuilt Suspension -- KYB & Energy Suspension
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1988turbotbird
Joined:
Feb 2007
Carlisle, Pennsylvania
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yeah i have to back track my work and figure it out. I thought I had it right...**** oh well always something
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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1988turbotbird
Joined:
Feb 2007
Carlisle, Pennsylvania
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I got the wiring at the voltage regulator correct, so it has to be something I did with connecting the thick yellow wire with multiple fuse links on the end of it. I'll find it
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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1988turbotbird
Joined:
Feb 2007
Carlisle, Pennsylvania
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Ok, I need some clarifying help. I went through the 3g install instructions on the tech articles. When you get to the part called Connecting The Alternator Output, third paragraph down is where you need to connect the other output wires to where the original alt output wire goes to. I found the factory splice (Splice #262) which is in that ball of rubber. This splice has:
A thick Black/orange wire---alt. output wire.
A thick yellow wire---coming from Splice #261/fuse link "X" which is a 20 guage, and stops at splice #262 (Not sure of its purpose)
A thin yellow/green wire---comes from the amp meter in the instrument cluster.
I have the 10 guage wire you are to cut to length and use to connect the the amp meter wire connected to the thick yellow wire. I looked through the instructions to be sure and it dont say to connect to the yellow/green wire anywhere, just said thick yellow wire. I need to connect to the yellow/green wire insted of the thick yellow wire correct? Or am I correct with where its connected now?
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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1988turbotbird
Joined:
Feb 2007
Carlisle, Pennsylvania
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Actually I believe I'm incorrect. It should be connected to the thick yellow wire. The yellow green wire is the second half of the amp gauge circuit. So it looks like I have it wired correctly. Faulty new alternator? After I finished installing it for the first time, it was working great. The alternator case was hot but apparently that is normal. What would cause the alternator case to get hot with the key on?
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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1988turbotbird
Joined:
Feb 2007
Carlisle, Pennsylvania
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I'm taking the alt now to have it tested for a bad diode in the alt. Junk new parts are possible!
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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