I have a 1967 John Deere 4020 with a denso starter on it. And it works great. I have a 4230 I am going to replace it's starter because it failed. And I am going to install a denso on it. Why does the 4020 have a relay on the denso starter on it? Do I need to install a relay on the denso I will install on my 4230? And I if need a relay is there a wiring diagram I can find to install it? My 4020 has paint on relay and starter so I can't tell how its set up.
- Thread starter Tony730
- Start date
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
I was thinking 4230 came from factory with a starter relay under hood on LH side in frt of firewall.
coonie minnie
Well-known Member
Early 4020s had circuit breakers mounted on the starter- are you sure that isn't what you are seeing???
buickanddeere
Well-known Member
If it will clear the intake manifold, this is the starter to use. Something that cross references to this JD part number. RE528619. May as well add a $15 front pump destroker when it's in the shop.
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
If 4020 has a Nippodenso starter I'll bet it's been changed over to 12 volt system
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
I think intake manifold won't be an issue on the 4230 that Tony730 is desiring to install a Denso starter on. Below are the Denso starters JD recommended for a 4230
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