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Ballast resistor location #746751
March 29th 2019 8:44 pm
March 29th 2019 8:44 pm
Joined: Mar 2019
Posts: 6
Westerville
K
Kwikwe Offline OP
stranger
Kwikwe  Offline OP
stranger
K
Joined: Mar 2019
Posts: 6
Westerville
I just picked up an 81 b150, 225 auto. It won't start, and I am searching for the ballast resistor but cannot find the location. If anyone has a pic and can tell me where to find it, I'd appreciate it.

Re: Ballast resistor location [Re: Kwikwe] #746757
March 29th 2019 9:47 pm
March 29th 2019 9:47 pm
Joined: Sep 2016
Posts: 72
Fl
D
DadsVan Offline
journeyman
DadsVan  Offline
journeyman
D
Joined: Sep 2016
Posts: 72
Fl
cant offer any help but would love to see pics and hear details about your van as i also have a 87 b150 with slant 6....but mines got the 833 manual 4 speed tranny.....absolutely love that motor....damn near bullet proof

Re: Ballast resistor location [Re: Kwikwe] #746761
March 30th 2019 12:21 am
March 30th 2019 12:21 am
Joined: Aug 2001
Posts: 11,814
Fircrest, WA
Reed Offline
Maniac
Reed  Offline
Maniac
Joined: Aug 2001
Posts: 11,814
Fircrest, WA
It will be somewhere on the firewall above the engine. When you open the hood the firewall ius staring you straight inthe face. A bit back under the cowl. There was no standard location on the firewall, just wherever the assembly line worker put the resistor.


Windows- they're what make a van worth owning!
Re: Ballast resistor location [Re: DadsVan] #746762
March 30th 2019 1:04 am
March 30th 2019 1:04 am
Joined: Mar 2019
Posts: 6
Westerville
K
Kwikwe Offline OP
stranger
Kwikwe  Offline OP
stranger
K
Joined: Mar 2019
Posts: 6
Westerville
It's an 81 B150 cargo. It's the typical northern crusty but it's a solid foundation. It's a 225 auto with 117,000 miles. It'll turn over, but won't start, power to coil and to distributor, put gas down the carb and won't start. I'm thinking it's the ballast resistor, but I cannot find it.

Attached Files IMG_87881(2).jpgIMG_87721(1).jpg
Re: Ballast resistor location [Re: Kwikwe] #746765
March 30th 2019 5:32 am
March 30th 2019 5:32 am
Joined: Jan 2001
Posts: 2,153
Kellettville, PA
M
Meanmachine Offline
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Meanmachine  Offline
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Joined: Jan 2001
Posts: 2,153
Kellettville, PA
Looks like a little white ceramic rectangular part on firewall, measures about 2" x 4". Search ebay for the part, will give you an idea of what it looks like.

Re: Ballast resistor location [Re: Meanmachine] #746767
March 30th 2019 6:23 am
March 30th 2019 6:23 am
Joined: Mar 2019
Posts: 6
Westerville
K
Kwikwe Offline OP
stranger
Kwikwe  Offline OP
stranger
K
Joined: Mar 2019
Posts: 6
Westerville
I know what they look like, I have owned a plethora of vintage cars and trucks before this, I just can't seem to find it.... hence asking. It doesn't seem to be on the firewall.

Re: Ballast resistor location [Re: Kwikwe] #746782
March 30th 2019 8:26 pm
March 30th 2019 8:26 pm
Joined: Aug 2001
Posts: 11,814
Fircrest, WA
Reed Offline
Maniac
Reed  Offline
Maniac
Joined: Aug 2001
Posts: 11,814
Fircrest, WA
It is possible your 1981 van has a "lean burn" computer controling the ignition (A.K.A. a "spark control computer") Is there a big black box with an air hose going to it on the firewall?

Lean burn ignitions did not use a ballast resistor and were very problem prone. Can you post some pictures of your firewall?

Last edited by Reed; March 30th 2019 8:26 pm.

Windows- they're what make a van worth owning!
Re: Ballast resistor location [Re: Kwikwe] #746786
March 30th 2019 9:35 pm
March 30th 2019 9:35 pm
Joined: Sep 2016
Posts: 72
Fl
D
DadsVan Offline
journeyman
DadsVan  Offline
journeyman
D
Joined: Sep 2016
Posts: 72
Fl
nice pics....lotta glass on her...sometimes i hate my blind spots

Re: Ballast resistor location [Re: Reed] #746797
March 31st 2019 1:15 am
March 31st 2019 1:15 am
Joined: Mar 2019
Posts: 6
Westerville
K
Kwikwe Offline OP
stranger
Kwikwe  Offline OP
stranger
K
Joined: Mar 2019
Posts: 6
Westerville
It's got the computer, and luckily I was given the dealership service book; its saying the ignition control module is the likely the culprit. Its $25, so maybe that's it... not sure at all.


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